65016166656 has 108 divisors (see below), whose sum is σ = 201289007472. Its totient is φ = 18576036864.

The previous prime is 65016166643. The next prime is 65016166667. The reversal of 65016166656 is 65666161056.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826210 + ... + 901473.

Almost surely, 2^65016166656 is an apocalyptic number.

It is an amenable number.

65016166656 is an abundant number, since it is smaller than the sum of its proper divisors (136272840816).

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

65016166656 is a wasteful number, since it uses less digits than its factorization.

65016166656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727716 (or 1727695 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 65016166656 in words is "sixty-five billion, sixteen million, one hundred sixty-six thousand, six hundred fifty-six".