16065063405 has 12 divisors (see below), whose sum is σ = 27846109980. Its totient is φ = 8568033792.

The previous prime is 16065063403. The next prime is 16065063419. The reversal of 16065063405 is 50436056061.

16065063405 is a `hidden beast` number, since 1 + 606 + 5 + 0 + 6 + 3 + 40 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11099465316 + 4965598089 = 105354^2 + 70467^2 .

It is not a de Polignac number, because 16065063405 - 2¹ = 16065063403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16065063405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065063401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178500660 + ... + 178500749.

It is an arithmetic number, because the mean of its divisors is an integer number (2320509165).

Almost surely, 2^16065063405 is an apocalyptic number.

16065063405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16065063405 is a deficient number, since it is larger than the sum of its proper divisors (11781046575).

16065063405 is a wasteful number, since it uses less digits than its factorization.

16065063405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357001420 (or 357001417 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 16065063405 in words is "sixteen billion, sixty-five million, sixty-three thousand, four hundred five".