16356307252 has 12 divisors (see below), whose sum is σ = 28651800996. Its totient is φ = 8170078400.

The previous prime is 16356307249. The next prime is 16356307271. The reversal of 16356307252 is 25270365361.

It can be written as a sum of positive squares in 2 ways, for example, as 2141468176 + 14214839076 = 46276^2 + 119226^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014249 + ... + 2022352.

It is an arithmetic number, because the mean of its divisors is an integer number (2387650083).

Almost surely, 2^16356307252 is an apocalyptic number.

It is an amenable number.

16356307252 is a deficient number, since it is larger than the sum of its proper divisors (12295493744).

16356307252 is a wasteful number, since it uses less digits than its factorization.

16356307252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037618 (or 4037616 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 16356307252 in words is "sixteen billion, three hundred fifty-six million, three hundred seven thousand, two hundred fifty-two".