118616640 has 112 divisors (see below), whose sum is σ = 379488192. Its totient is φ = 31389696.

The previous prime is 118616629. The next prime is 118616651. The reversal of 118616640 is 46616811.

It is an interprime number because it is at equal distance from previous prime (118616629) and next prime (118616651).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150327 + ... + 151113.

Almost surely, 2^118616640 is an apocalyptic number.

118616640 is a gapful number since it is divisible by the number (10) 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 118616640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189744096).

118616640 is an abundant number, since it is smaller than the sum of its proper divisors (260871552).

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

118616640 is a wasteful number, since it uses less digits than its factorization.

118616640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 118616640 is about 10891.1266634816. The cubic root of 118616640 is about 491.3397184127.

The spelling of 118616640 in words is "one hundred eighteen million, six hundred sixteen thousand, six hundred forty".