65005050656 has 48 divisors (see below), whose sum is σ = 157512245184. Its totient is φ = 25716282624.

The previous prime is 65005050637. The next prime is 65005050667. The reversal of 65005050656 is 65605050056.

It is a happy number.

It is a super-2 number, since 2×65005050656² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11158670 + ... + 11164493.

It is an arithmetic number, because the mean of its divisors is an integer number (3281505108).

Almost surely, 2^65005050656 is an apocalyptic number.

It is an amenable number.

65005050656 is an abundant number, since it is smaller than the sum of its proper divisors (92507194528).

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

65005050656 is a wasteful number, since it uses less digits than its factorization.

65005050656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22323193 (or 22323185 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 65005050656 in words is "sixty-five billion, five million, fifty thousand, six hundred fifty-six".