16921625326312 has 32 divisors (see below), whose sum is σ = 36412343827200. Its totient is φ = 7221781514304.

The previous prime is 16921625326271. The next prime is 16921625326349. The reversal of 16921625326312 is 21362352612961.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632145363 + ... + 632172130.

It is an arithmetic number, because the mean of its divisors is an integer number (1137885744600).

Almost surely, 2^{16921625326312} is an apocalyptic number.

It is an amenable number.

16921625326312 is an abundant number, since it is smaller than the sum of its proper divisors (19490718500888).

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

16921625326312 is a wasteful number, since it uses less digits than its factorization.

16921625326312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264317745 (or 1264317741 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The spelling of 16921625326312 in words is "sixteen trillion, nine hundred twenty-one billion, six hundred twenty-five million, three hundred twenty-six thousand, three hundred twelve".