118991376 has 240 divisors, whose sum is σ = 415747200. Its totient is φ = 31912704.

The previous prime is 118991359. The next prime is 118991393. The reversal of 118991376 is 673199811.

It is an interprime number because it is at equal distance from previous prime (118991359) and next prime (118991393).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1091610 + ... + 1091718.

It is an arithmetic number, because the mean of its divisors is an integer number (1732280).

Almost surely, 2^118991376 is an apocalyptic number.

118991376 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 118991376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207873600).

118991376 is an abundant number, since it is smaller than the sum of its proper divisors (296755824).

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

118991376 is a wasteful number, since it uses less digits than its factorization.

118991376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 140 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 118991376 is about 10908.3168270820. The cubic root of 118991376 is about 491.8565911596.

The spelling of 118991376 in words is "one hundred eighteen million, nine hundred ninety-one thousand, three hundred seventy-six".