116885520 has 120 divisors (see below), whose sum is σ = 398563776. Its totient is φ = 30691584.

The previous prime is 116885513. The next prime is 116885537. The reversal of 116885520 is 25588611.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47029 + ... + 49451.

Almost surely, 2^116885520 is an apocalyptic number.

116885520 is a gapful number since it is divisible by the number (10) 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 116885520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199281888).

116885520 is an abundant number, since it is smaller than the sum of its proper divisors (281678256).

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

116885520 is a wasteful number, since it uses less digits than its factorization.

116885520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 116885520 is about 10811.3606914209. The cubic root of 116885520 is about 488.9377516206.

The spelling of 116885520 in words is "one hundred sixteen million, eight hundred eighty-five thousand, five hundred twenty".