118898556 has 24 divisors (see below), whose sum is σ = 317063040. Its totient is φ = 33970992.

The previous prime is 118898551. The next prime is 118898567. The reversal of 118898556 is 655898811.

It is a junction number, because it is equal to n+sod(n) for n = 118898499 and 118898508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118898551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707646 + ... + 707813.

It is an arithmetic number, because the mean of its divisors is an integer number (13210960).

Almost surely, 2^118898556 is an apocalyptic number.

It is an amenable number.

118898556 is an abundant number, since it is smaller than the sum of its proper divisors (198164484).

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

118898556 is a wasteful number, since it uses less digits than its factorization.

118898556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415473 (or 1415471 counting only the distinct ones).

The product of its digits is 691200, while the sum is 51.

The square root of 118898556 is about 10904.0614451680. The cubic root of 118898556 is about 491.7286659088.

The spelling of 118898556 in words is "one hundred eighteen million, eight hundred ninety-eight thousand, five hundred fifty-six".