118557456 has 80 divisors (see below), whose sum is σ = 338442624. Its totient is φ = 35571712.

The previous prime is 118557443. The next prime is 118557457. The reversal of 118557456 is 654755811.

It is not an unprimeable number, because it can be changed into a prime (118557457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15610 + ... + 21926.

Almost surely, 2^118557456 is an apocalyptic number.

118557456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118557456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169221312).

118557456 is an abundant number, since it is smaller than the sum of its proper divisors (219885168).

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

118557456 is a wasteful number, since it uses less digits than its factorization.

118557456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368 (or 6362 counting only the distinct ones).

The product of its digits is 168000, while the sum is 42.

The square root of 118557456 is about 10888.4092502073. The cubic root of 118557456 is about 491.2579865195.

The spelling of 118557456 in words is "one hundred eighteen million, five hundred fifty-seven thousand, four hundred fifty-six".