16553656656252 has 24 divisors (see below), whose sum is σ = 42916887627600. Its totient is φ = 5517885552048.

The previous prime is 16553656656233. The next prime is 16553656656283. The reversal of 16553656656252 is 25265665635561.

16553656656252 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 3 + 6 + 5 + 66 + 562 + 5 + 2 = 666.

16553656656252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16553656656252² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16553656656252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76637299227 + ... + 76637299442.

It is an arithmetic number, because the mean of its divisors is an integer number (1788203651150).

Almost surely, 2^{16553656656252} is an apocalyptic number.

16553656656252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16553656656252 is an abundant number, since it is smaller than the sum of its proper divisors (26363230971348).

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

16553656656252 is a wasteful number, since it uses less digits than its factorization.

16553656656252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153274598682 (or 153274598674 counting only the distinct ones).

The product of its digits is 291600000, while the sum is 63.

The spelling of 16553656656252 in words is "sixteen trillion, five hundred fifty-three billion, six hundred fifty-six million, six hundred fifty-six thousand, two hundred fifty-two".