116528720 has 80 divisors (see below), whose sum is σ = 337799808. Its totient is φ = 36318720.

The previous prime is 116528707. The next prime is 116528747. The reversal of 116528720 is 27825611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3299 + ... + 15618.

Almost surely, 2^116528720 is an apocalyptic number.

116528720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116528720 is an abundant number, since it is smaller than the sum of its proper divisors (221271088).

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

116528720 is a wasteful number, since it uses less digits than its factorization.

116528720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18948 (or 18942 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 116528720 is about 10794.8469187849. The cubic root of 116528720 is about 488.4397406871.

The spelling of 116528720 in words is "one hundred sixteen million, five hundred twenty-eight thousand, seven hundred twenty".