113165618 has 8 divisors (see below), whose sum is σ = 169793820. Its totient is φ = 56567680.

The previous prime is 113165561. The next prime is 113165621. The reversal of 113165618 is 816561311.

It can be written as a sum of positive squares in 2 ways, for example, as 104796169 + 8369449 = 10237^2 + 2893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9338 + ... + 17706.

Almost surely, 2^113165618 is an apocalyptic number.

113165618 is a deficient number, since it is larger than the sum of its proper divisors (56628202).

113165618 is an equidigital number, since it uses as much as digits as its factorization.

113165618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15132.

The product of its digits is 4320, while the sum is 32.

The square root of 113165618 is about 10637.9329759122. The cubic root of 113165618 is about 483.6948905744.

The spelling of 113165618 in words is "one hundred thirteen million, one hundred sixty-five thousand, six hundred eighteen".