65116689732 has 72 divisors (see below), whose sum is σ = 165089812160. Its totient is φ = 21641152320.

The previous prime is 65116689727. The next prime is 65116689787. The reversal of 65116689732 is 23798661156.

65116689732 is a `hidden beast` number, since 6 + 511 + 6 + 6 + 8 + 97 + 32 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21271482 + ... + 21274542.

Almost surely, 2^65116689732 is an apocalyptic number.

It is an amenable number.

65116689732 is an abundant number, since it is smaller than the sum of its proper divisors (99973122428).

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

65116689732 is a wasteful number, since it uses less digits than its factorization.

65116689732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4628 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 65116689732 in words is "sixty-five billion, one hundred sixteen million, six hundred eighty-nine thousand, seven hundred thirty-two".