118572516 has 18 divisors (see below), whose sum is σ = 299725062. Its totient is φ = 39524160.

The previous prime is 118572497. The next prime is 118572529. The reversal of 118572516 is 615275811.

It can be written as a sum of positive squares in only one way, i.e., 90440100 + 28132416 = 9510^2 + 5304^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3293681 = 118572516 / (1 + 1 + 8 + 5 + 7 + 2 + 5 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1646805 + ... + 1646876.

Almost surely, 2^118572516 is an apocalyptic number.

It is an amenable number.

118572516 is an abundant number, since it is smaller than the sum of its proper divisors (181152546).

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

118572516 is a wasteful number, since it uses less digits than its factorization.

118572516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293691 (or 3293686 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 118572516 is about 10889.1007893214. The cubic root of 118572516 is about 491.2787866510.

The spelling of 118572516 in words is "one hundred eighteen million, five hundred seventy-two thousand, five hundred sixteen".