118393816 has 16 divisors (see below), whose sum is σ = 224187840. Its totient is φ = 58610400.

The previous prime is 118393813. The next prime is 118393819. The reversal of 118393816 is 618393811.

It is an interprime number because it is at equal distance from previous prime (118393813) and next prime (118393819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118393813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72456 + ... + 74071.

It is an arithmetic number, because the mean of its divisors is an integer number (14011740).

Almost surely, 2^118393816 is an apocalyptic number.

It is an amenable number.

118393816 is a deficient number, since it is larger than the sum of its proper divisors (105794024).

118393816 is a wasteful number, since it uses less digits than its factorization.

118393816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146634 (or 146630 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 118393816 is about 10880.8922428264. The cubic root of 118393816 is about 491.0318613587.

The spelling of 118393816 in words is "one hundred eighteen million, three hundred ninety-three thousand, eight hundred sixteen".