15655670996 has 96 divisors (see below), whose sum is σ = 34890240000. Its totient is φ = 5994269568.

The previous prime is 15655670983. The next prime is 15655671019. The reversal of 15655670996 is 69907655651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651605 + ... + 675203.

It is an arithmetic number, because the mean of its divisors is an integer number (363440000).

Almost surely, 2^15655670996 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 15655670996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17445120000).

15655670996 is an abundant number, since it is smaller than the sum of its proper divisors (19234569004).

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

15655670996 is a wasteful number, since it uses less digits than its factorization.

15655670996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23701 (or 23699 counting only the distinct ones).

The product of its (nonzero) digits is 15309000, while the sum is 59.

The spelling of 15655670996 in words is "fifteen billion, six hundred fifty-five million, six hundred seventy thousand, nine hundred ninety-six".