113566566 has 16 divisors (see below), whose sum is σ = 227239344. Its totient is φ = 37837824.

The previous prime is 113566549. The next prime is 113566573. The reversal of 113566566 is 665665311.

It is a plaindrome in base 14.

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, 19086 + ... + 24318.

It is an arithmetic number, because the mean of its divisors is an integer number (14202459).

Almost surely, 2^113566566 is an apocalyptic number.

113566566 is an abundant number, since it is smaller than the sum of its proper divisors (113672778).

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

113566566 is a wasteful number, since it uses less digits than its factorization.

113566566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855.

The product of its digits is 97200, while the sum is 39.

The square root of 113566566 is about 10656.7615155825. The cubic root of 113566566 is about 484.2654640751.

The spelling of 113566566 in words is "one hundred thirteen million, five hundred sixty-six thousand, five hundred sixty-six".