113684661 has 32 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 70958592.

The previous prime is 113684639. The next prime is 113684671. The reversal of 113684661 is 166486311.

It is not a de Polignac number, because 113684661 - 2¹⁰ = 113683637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113684621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106416 + ... + 107478.

It is an arithmetic number, because the mean of its divisors is an integer number (5601960).

Almost surely, 2^113684661 is an apocalyptic number.

It is an amenable number.

113684661 is a deficient number, since it is larger than the sum of its proper divisors (65578059).

113684661 is a wasteful number, since it uses less digits than its factorization.

113684661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1316 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 113684661 is about 10662.3009242846. The cubic root of 113684661 is about 484.4332643946.

The spelling of 113684661 in words is "one hundred thirteen million, six hundred eighty-four thousand, six hundred sixty-one".