16142538285 has 12 divisors (see below), whose sum is σ = 27980399772. Its totient is φ = 8609353728.

The previous prime is 16142538227. The next prime is 16142538287. The reversal of 16142538285 is 58283524161.

16142538285 is a `hidden beast` number, since 1 + 614 + 2 + 5 + 3 + 8 + 28 + 5 = 666.

16142538285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5572025316 + 10570512969 = 74646^2 + 102813^2 .

It is not a de Polignac number, because 16142538285 - 2⁸ = 16142538029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 358723073 = 16142538285 / (1 + 6 + 1 + 4 + 2 + 5 + 3 + 8 + 2 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 16142538285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142538287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179361492 + ... + 179361581.

It is an arithmetic number, because the mean of its divisors is an integer number (2331699981).

Almost surely, 2^16142538285 is an apocalyptic number.

16142538285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16142538285 is a deficient number, since it is larger than the sum of its proper divisors (11837861487).

16142538285 is a wasteful number, since it uses less digits than its factorization.

16142538285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358723084 (or 358723081 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 16142538285 in words is "sixteen billion, one hundred forty-two million, five hundred thirty-eight thousand, two hundred eighty-five".