65572131016 has 64 divisors (see below), whose sum is σ = 140956721280. Its totient is φ = 28013506560.

The previous prime is 65572130989. The next prime is 65572131073. The reversal of 65572131016 is 61013127556.

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, 37836486 + ... + 37838218.

It is an arithmetic number, because the mean of its divisors is an integer number (2202448770).

Almost surely, 2^65572131016 is an apocalyptic number.

It is an amenable number.

65572131016 is an abundant number, since it is smaller than the sum of its proper divisors (75384590264).

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

65572131016 is a wasteful number, since it uses less digits than its factorization.

65572131016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3490 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 65572131016 in words is "sixty-five billion, five hundred seventy-two million, one hundred thirty-one thousand, sixteen".