50161006656 has 42 divisors (see below), whose sum is σ = 143777470382. Its totient is φ = 16720335360.

The previous prime is 50161006619. The next prime is 50161006669. The reversal of 50161006656 is 65660016105.

It can be written as a sum of positive squares in only one way, i.e., 45789152256 + 4371854400 = 213984^2 + 66120^2 .

It is a super-2 number, since 2×50161006656² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 50161006656.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43541965 + ... + 43543116.

Almost surely, 2^50161006656 is an apocalyptic number.

It is an amenable number.

50161006656 is an abundant number, since it is smaller than the sum of its proper divisors (93616463726).

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

50161006656 is a wasteful number, since it uses less digits than its factorization.

50161006656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87085099 (or 87085086 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 50161006656 in words is "fifty billion, one hundred sixty-one million, six thousand, six hundred fifty-six".