118180538 has 16 divisors (see below), whose sum is σ = 203138880. Its totient is φ = 50512896.

The previous prime is 118180523. The next prime is 118180541. The reversal of 118180538 is 835081811.

It is a junction number, because it is equal to n+sod(n) for n = 118180498 and 118180507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5831 + ... + 16442.

It is an arithmetic number, because the mean of its divisors is an integer number (12696180).

Almost surely, 2^118180538 is an apocalyptic number.

118180538 is a deficient number, since it is larger than the sum of its proper divisors (84958342).

118180538 is a wasteful number, since it uses less digits than its factorization.

118180538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661.

The product of its (nonzero) digits is 7680, while the sum is 35.

The square root of 118180538 is about 10871.0872501328. The cubic root of 118180538 is about 490.7368311915.

The spelling of 118180538 in words is "one hundred eighteen million, one hundred eighty thousand, five hundred thirty-eight".