654560560 has 20 divisors (see below), whose sum is σ = 1521853488. Its totient is φ = 261824192.

The previous prime is 654560539. The next prime is 654560581. The reversal of 654560560 is 65065456.

It is an interprime number because it is at equal distance from previous prime (654560539) and next prime (654560581).

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090924 + ... + 4091083.

Almost surely, 2^654560560 is an apocalyptic number.

It is an amenable number.

654560560 is an abundant number, since it is smaller than the sum of its proper divisors (867292928).

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

654560560 is a wasteful number, since it uses less digits than its factorization.

654560560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182020 (or 8182014 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 654560560 is about 25584.3811728953. The cubic root of 654560560 is about 868.2603012132.

The spelling of 654560560 in words is "six hundred fifty-four million, five hundred sixty thousand, five hundred sixty".