118163264 has 56 divisors (see below), whose sum is σ = 241938048. Its totient is φ = 57231360.

The previous prime is 118163263. The next prime is 118163267. The reversal of 118163264 is 462361811.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 118163264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118163263) 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, 490184 + ... + 490424.

Almost surely, 2^118163264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118163264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120969024).

118163264 is an abundant number, since it is smaller than the sum of its proper divisors (123774784).

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

118163264 is a wasteful number, since it uses less digits than its factorization.

118163264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 453 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 118163264 is about 10870.2927283491. The cubic root of 118163264 is about 490.7129203141.

The spelling of 118163264 in words is "one hundred eighteen million, one hundred sixty-three thousand, two hundred sixty-four".