118466865 has 36 divisors (see below), whose sum is σ = 225717492. Its totient is φ = 57435840.

The previous prime is 118466857. The next prime is 118466939. The reversal of 118466865 is 568664811.

It can be written as a sum of positive squares in 2 ways, for example, as 79977249 + 38489616 = 8943^2 + 6204^2 .

It is not a de Polignac number, because 118466865 - 2³ = 118466857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 118466865.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5434 + ... + 16323.

Almost surely, 2^118466865 is an apocalyptic number.

118466865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118466865 is a deficient number, since it is larger than the sum of its proper divisors (107250627).

118466865 is a wasteful number, since it uses less digits than its factorization.

118466865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21790 (or 21776 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 118466865 is about 10884.2484811768. The cubic root of 118466865 is about 491.1328295034.

The spelling of 118466865 in words is "one hundred eighteen million, four hundred sixty-six thousand, eight hundred sixty-five".