65680750732 has 12 divisors (see below), whose sum is σ = 116396267680. Its totient is φ = 32424674256.

The previous prime is 65680750687. The next prime is 65680750757. The reversal of 65680750732 is 23705708656.

It is a super-2 number, since 2×65680750732² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103924923 + ... + 103925554.

Almost surely, 2^65680750732 is an apocalyptic number.

It is an amenable number.

65680750732 is a deficient number, since it is larger than the sum of its proper divisors (50715516948).

65680750732 is a wasteful number, since it uses less digits than its factorization.

65680750732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207850560 (or 207850558 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 65680750732 in words is "sixty-five billion, six hundred eighty million, seven hundred fifty thousand, seven hundred thirty-two".