118185630 has 16 divisors (see below), whose sum is σ = 283645584. Its totient is φ = 31516160.

The previous prime is 118185623. The next prime is 118185631. The reversal of 118185630 is 36581811.

It is a junction number, because it is equal to n+sod(n) for n = 118185591 and 118185600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118185631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969731 + ... + 1969790.

It is an arithmetic number, because the mean of its divisors is an integer number (17727849).

Almost surely, 2^118185630 is an apocalyptic number.

118185630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118185630 is an abundant number, since it is smaller than the sum of its proper divisors (165459954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118185630 is a wasteful number, since it uses less digits than its factorization.

118185630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939531.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 118185630 is about 10871.3214468159. The cubic root of 118185630 is about 490.7438791542.

The spelling of 118185630 in words is "one hundred eighteen million, one hundred eighty-five thousand, six hundred thirty".