118391416 has 64 divisors (see below), whose sum is σ = 267936480. Its totient is φ = 48314880.

The previous prime is 118391407. The next prime is 118391431. The reversal of 118391416 is 614193811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40930 + ... + 43726.

Almost surely, 2^118391416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118391416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133968240).

118391416 is an abundant number, since it is smaller than the sum of its proper divisors (149545064).

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

118391416 is a wasteful number, since it uses less digits than its factorization.

118391416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2860 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 118391416 is about 10880.7819571941. The cubic root of 118391416 is about 491.0285433801.

The spelling of 118391416 in words is "one hundred eighteen million, three hundred ninety-one thousand, four hundred sixteen".