15662630056 has 16 divisors (see below), whose sum is σ = 29992271040. Its totient is φ = 7664691120.

The previous prime is 15662630041. The next prime is 15662630089. The reversal of 15662630056 is 65003626651.

It is a happy number.

It is a super-2 number, since 2×15662630056² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20827590 + ... + 20828341.

It is an arithmetic number, because the mean of its divisors is an integer number (1874516940).

Almost surely, 2^15662630056 is an apocalyptic number.

It is an amenable number.

15662630056 is a deficient number, since it is larger than the sum of its proper divisors (14329640984).

15662630056 is a wasteful number, since it uses less digits than its factorization.

15662630056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41655984 (or 41655980 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 15662630056 in words is "fifteen billion, six hundred sixty-two million, six hundred thirty thousand, fifty-six".