118513366 has 4 divisors (see below), whose sum is σ = 177770052. Its totient is φ = 59256682.

The previous prime is 118513361. The next prime is 118513453. The reversal of 118513366 is 663315811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663315811 = 29 ⋅22872959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118513361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29628340 + ... + 29628343.

It is an arithmetic number, because the mean of its divisors is an integer number (44442513).

Almost surely, 2^118513366 is an apocalyptic number.

118513366 is a deficient number, since it is larger than the sum of its proper divisors (59256686).

118513366 is an equidigital number, since it uses as much as digits as its factorization.

118513366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59256685.

The product of its digits is 12960, while the sum is 34.

The square root of 118513366 is about 10886.3844319407. The cubic root of 118513366 is about 491.1970814504.

It can be divided in two parts, 1185133 and 66, that multiplied together give a triangular number (78218778 = T₁₂₅₀₇).

The spelling of 118513366 in words is "one hundred eighteen million, five hundred thirteen thousand, three hundred sixty-six".