116620564 has 24 divisors (see below), whose sum is σ = 213024168. Its totient is φ = 55810560.

The previous prime is 116620549. The next prime is 116620573. The reversal of 116620564 is 465026611.

It can be written as a sum of positive squares in 4 ways, for example, as 3027600 + 113592964 = 1740^2 + 10658^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 1984 + ... + 15400.

It is an arithmetic number, because the mean of its divisors is an integer number (8876007).

Almost surely, 2^116620564 is an apocalyptic number.

It is an amenable number.

116620564 is a deficient number, since it is larger than the sum of its proper divisors (96403604).

116620564 is a wasteful number, since it uses less digits than its factorization.

116620564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13515 (or 13513 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 116620564 is about 10799.1001476975. The cubic root of 116620564 is about 488.5680308886.

The spelling of 116620564 in words is "one hundred sixteen million, six hundred twenty thousand, five hundred sixty-four".