118212864 has 144 divisors (see below), whose sum is σ = 392448000. Its totient is φ = 30689280.

The previous prime is 118212841. The next prime is 118212869. The reversal of 118212864 is 468212811.

It is a Harshad number since it is a multiple of its sum of digits (33).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118212869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58137 + ... + 60135.

Almost surely, 2^118212864 is an apocalyptic number.

118212864 is a gapful number since it is divisible by the number (14) 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 118212864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196224000).

118212864 is an abundant number, since it is smaller than the sum of its proper divisors (274235136).

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

118212864 is a wasteful number, since it uses less digits than its factorization.

118212864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2022 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 118212864 is about 10872.5739362857. The cubic root of 118212864 is about 490.7815709682.

The spelling of 118212864 in words is "one hundred eighteen million, two hundred twelve thousand, eight hundred sixty-four".