16615902252 has 54 divisors (see below), whose sum is σ = 39211949028. Its totient is φ = 5476268448.

The previous prime is 16615902229. The next prime is 16615902253. The reversal of 16615902252 is 25220951661.

16615902252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16615902252.

It is not an unprimeable number, because it can be changed into a prime (16615902253) 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 17 ways as a sum of consecutive naturals, for example, 56709418 + ... + 56709710.

Almost surely, 2^16615902252 is an apocalyptic number.

16615902252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16615902252 is an abundant number, since it is smaller than the sum of its proper divisors (22596046776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16615902252 is an equidigital number, since it uses as much as digits as its factorization.

16615902252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 16615902252 in words is "sixteen billion, six hundred fifteen million, nine hundred two thousand, two hundred fifty-two".