654113656 has 16 divisors (see below), whose sum is σ = 1401672240. Its totient is φ = 280334400.

The previous prime is 654113623. The next prime is 654113657. The reversal of 654113656 is 656311456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654113657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5840245 + ... + 5840356.

It is an arithmetic number, because the mean of its divisors is an integer number (87604515).

Almost surely, 2^654113656 is an apocalyptic number.

It is an amenable number.

654113656 is an abundant number, since it is smaller than the sum of its proper divisors (747558584).

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

654113656 is a wasteful number, since it uses less digits than its factorization.

654113656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680614 (or 11680610 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 654113656 is about 25575.6457591983. The cubic root of 654113656 is about 868.0626534231.

The spelling of 654113656 in words is "six hundred fifty-four million, one hundred thirteen thousand, six hundred fifty-six".