118436864 has 176 divisors, whose sum is σ = 308130816. Its totient is φ = 44236800.

The previous prime is 118436863. The next prime is 118436917. The reversal of 118436864 is 468634811.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118436863) 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, 2888684 + ... + 2888724.

Almost surely, 2^118436864 is an apocalyptic number.

118436864 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 118436864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154065408).

118436864 is an abundant number, since it is smaller than the sum of its proper divisors (189693952).

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

118436864 is a wasteful number, since it uses less digits than its factorization.

118436864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 94 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 118436864 is about 10882.8702096460. The cubic root of 118436864 is about 491.0913672205.

The spelling of 118436864 in words is "one hundred eighteen million, four hundred thirty-six thousand, eight hundred sixty-four".