16142092021 has 4 divisors (see below), whose sum is σ = 17609554944. Its totient is φ = 14674629100.

The previous prime is 16142092019. The next prime is 16142092037. The reversal of 16142092021 is 12029024161.

16142092021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16142092021 - 2¹ = 16142092019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142092091) 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 3 ways as a sum of consecutive naturals, for example, 733731445 + ... + 733731466.

It is an arithmetic number, because the mean of its divisors is an integer number (4402388736).

Almost surely, 2^16142092021 is an apocalyptic number.

16142092021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16142092021 is a deficient number, since it is larger than the sum of its proper divisors (1467462923).

16142092021 is a wasteful number, since it uses less digits than its factorization.

16142092021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467462922.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 16142092021 in words is "sixteen billion, one hundred forty-two million, ninety-two thousand, twenty-one".