16326103656 has 64 divisors (see below), whose sum is σ = 41323322880. Its totient is φ = 5374607040.

The previous prime is 16326103649. The next prime is 16326103667. The reversal of 16326103656 is 65630162361.

It is a happy number.

It is a super-4 number, since 4×16326103656⁴ (a number of 42 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 840405 + ... + 859611.

It is an arithmetic number, because the mean of its divisors is an integer number (645676920).

Almost surely, 2^16326103656 is an apocalyptic number.

It is an amenable number.

16326103656 is an abundant number, since it is smaller than the sum of its proper divisors (24997219224).

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

16326103656 is a wasteful number, since it uses less digits than its factorization.

16326103656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19654 (or 19650 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 16326103656 in words is "sixteen billion, three hundred twenty-six million, one hundred three thousand, six hundred fifty-six".