118162057 has 4 divisors (see below), whose sum is σ = 127251460. Its totient is φ = 109072656.

The previous prime is 118162039. The next prime is 118162081. The reversal of 118162057 is 750261811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16232841 + 101929216 = 4029^2 + 10096^2 .

It is a cyclic number.

It is not a de Polignac number, because 118162057 - 2¹⁹ = 117637769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118162157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4544682 + ... + 4544707.

It is an arithmetic number, because the mean of its divisors is an integer number (31812865).

Almost surely, 2^118162057 is an apocalyptic number.

It is an amenable number.

118162057 is a deficient number, since it is larger than the sum of its proper divisors (9089403).

118162057 is an equidigital number, since it uses as much as digits as its factorization.

118162057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089402.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 118162057 is about 10870.2372099232. The cubic root of 118162057 is about 490.7112494832.

The spelling of 118162057 in words is "one hundred eighteen million, one hundred sixty-two thousand, fifty-seven".