16147225656 has 96 divisors (see below), whose sum is σ = 44993778960. Its totient is φ = 5229328896.

The previous prime is 16147225597. The next prime is 16147225667. The reversal of 16147225656 is 65652274161.

16147225656 is a `hidden beast` number, since 1 + 6 + 14 + 72 + 2 + 565 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329226 + ... + 375078.

Almost surely, 2^16147225656 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 16147225656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22496889480).

16147225656 is an abundant number, since it is smaller than the sum of its proper divisors (28846553304).

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

16147225656 is a wasteful number, since it uses less digits than its factorization.

16147225656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46005 (or 45998 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 16147225656 in words is "sixteen billion, one hundred forty-seven million, two hundred twenty-five thousand, six hundred fifty-six".