65679496580 has 12 divisors (see below), whose sum is σ = 137926942860. Its totient is φ = 26271798624.

The previous prime is 65679496543. The next prime is 65679496637. The reversal of 65679496580 is 8569497656.

65679496580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51919268164 + 13760228416 = 227858^2 + 117304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641987395 + ... + 1641987434.

It is an arithmetic number, because the mean of its divisors is an integer number (11493911905).

Almost surely, 2^65679496580 is an apocalyptic number.

It is an amenable number.

65679496580 is an abundant number, since it is smaller than the sum of its proper divisors (72247446280).

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

65679496580 is a wasteful number, since it uses less digits than its factorization.

65679496580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283974838 (or 3283974836 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 65679496580 in words is "sixty-five billion, six hundred seventy-nine million, four hundred ninety-six thousand, five hundred eighty".