16112533656 has 64 divisors (see below), whose sum is σ = 41402037600. Its totient is φ = 5223398400.

The previous prime is 16112533639. The next prime is 16112533747. The reversal of 16112533656 is 65633521161.

It is a super-2 number, since 2×16112533656² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68466 + ... + 192126.

Almost surely, 2^16112533656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16112533656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20701018800).

16112533656 is an abundant number, since it is smaller than the sum of its proper divisors (25289503944).

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

16112533656 is a wasteful number, since it uses less digits than its factorization.

16112533656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123820 (or 123816 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The spelling of 16112533656 in words is "sixteen billion, one hundred twelve million, five hundred thirty-three thousand, six hundred fifty-six".