652605817580 has 24 divisors (see below), whose sum is σ = 1371325098528. Its totient is φ = 260879873408.

The previous prime is 652605817573. The next prime is 652605817603. The reversal of 652605817580 is 85718506256.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10120409 + ... + 10184688.

It is an arithmetic number, because the mean of its divisors is an integer number (57138545772).

Almost surely, 2^652605817580 is an apocalyptic number.

It is an amenable number.

652605817580 is an abundant number, since it is smaller than the sum of its proper divisors (718719280948).

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

652605817580 is a wasteful number, since it uses less digits than its factorization.

652605817580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20306713 (or 20306711 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 652605817580 in words is "six hundred fifty-two billion, six hundred five million, eight hundred seventeen thousand, five hundred eighty".