16252663511544 has 16 divisors (see below), whose sum is σ = 40631658778920. Its totient is φ = 5417554503840.

The previous prime is 16252663511527. The next prime is 16252663511587. The reversal of 16252663511544 is 44511536625261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338597156467 + ... + 338597156514.

Almost surely, 2^{16252663511544} is an apocalyptic number.

It is an amenable number.

16252663511544 is an abundant number, since it is smaller than the sum of its proper divisors (24378995267376).

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

16252663511544 is a wasteful number, since it uses less digits than its factorization.

16252663511544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677194312990 (or 677194312986 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 51.

The spelling of 16252663511544 in words is "sixteen trillion, two hundred fifty-two billion, six hundred sixty-three million, five hundred eleven thousand, five hundred forty-four".