118640566452 has 24 divisors (see below), whose sum is σ = 284309826976. Its totient is φ = 38478021408.

The previous prime is 118640566427. The next prime is 118640566453. The reversal of 118640566452 is 254665046811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118640566453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133603798 + ... + 133604685.

Almost surely, 2^118640566452 is an apocalyptic number.

118640566452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118640566452 is an abundant number, since it is smaller than the sum of its proper divisors (165669260524).

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

118640566452 is a wasteful number, since it uses less digits than its factorization.

118640566452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267208527 (or 267208525 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 118640566452 in words is "one hundred eighteen billion, six hundred forty million, five hundred sixty-six thousand, four hundred fifty-two".