113165580 has 96 divisors (see below), whose sum is σ = 347477760. Its totient is φ = 27290880.

The previous prime is 113165561. The next prime is 113165621. The reversal of 113165580 is 85561311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182511 + ... + 183129.

It is an arithmetic number, because the mean of its divisors is an integer number (3619560).

Almost surely, 2^113165580 is an apocalyptic number.

113165580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113165580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173738880).

113165580 is an abundant number, since it is smaller than the sum of its proper divisors (234312180).

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

113165580 is a wasteful number, since it uses less digits than its factorization.

113165580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 113165580 is about 10637.9311898508. The cubic root of 113165580 is about 483.6948364342.

The spelling of 113165580 in words is "one hundred thirteen million, one hundred sixty-five thousand, five hundred eighty".