65165266056 has 32 divisors (see below), whose sum is σ = 177723453600. Its totient is φ = 19747050240.

The previous prime is 65165266027. The next prime is 65165266069. The reversal of 65165266056 is 65066256156.

It is a super-3 number, since 3×65165266056³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65165265996 and 65165266014.

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, 123418801 + ... + 123419328.

It is an arithmetic number, because the mean of its divisors is an integer number (5553857925).

Almost surely, 2^65165266056 is an apocalyptic number.

65165266056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65165266056 is an abundant number, since it is smaller than the sum of its proper divisors (112558187544).

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

65165266056 is a wasteful number, since it uses less digits than its factorization.

65165266056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246838149 (or 246838145 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 65165266056 in words is "sixty-five billion, one hundred sixty-five million, two hundred sixty-six thousand, fifty-six".