655663113 has 64 divisors (see below), whose sum is σ = 1170800640. Its totient is φ = 354715200.

The previous prime is 655663109. The next prime is 655663121. The reversal of 655663113 is 311366556.

655663113 is a `hidden beast` number, since 6 + 5 + 5 + 6 + 631 + 13 = 666.

It is not a de Polignac number, because 655663113 - 2² = 655663109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655663163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274183 + ... + 276563.

It is an arithmetic number, because the mean of its divisors is an integer number (18293760).

Almost surely, 2^655663113 is an apocalyptic number.

655663113 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

655663113 is a deficient number, since it is larger than the sum of its proper divisors (515137527).

655663113 is a wasteful number, since it uses less digits than its factorization.

655663113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475 (or 2469 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 655663113 is about 25605.9194913989. The cubic root of 655663113 is about 868.7475319151.

The spelling of 655663113 in words is "six hundred fifty-five million, six hundred sixty-three thousand, one hundred thirteen".