252641216356 has 24 divisors (see below), whose sum is σ = 465447386880. Its totient is φ = 119657839392.

The previous prime is 252641216327. The next prime is 252641216389. The reversal of 252641216356 is 653612146252.

252641216356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 454710 + ... + 843826.

It is an arithmetic number, because the mean of its divisors is an integer number (19393641120).

Almost surely, 2^252641216356 is an apocalyptic number.

It is an amenable number.

252641216356 is a deficient number, since it is larger than the sum of its proper divisors (212806170524).

252641216356 is a wasteful number, since it uses less digits than its factorization.

252641216356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397683 (or 397681 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 252641216356 in words is "two hundred fifty-two billion, six hundred forty-one million, two hundred sixteen thousand, three hundred fifty-six".