116651520 has 240 divisors, whose sum is σ = 415567152. Its totient is φ = 30228480.

The previous prime is 116651503. The next prime is 116651533. The reversal of 116651520 is 25156611.

It is a happy number.

116651520 is a `hidden beast` number, since 1 + 1 + 6 + 651 + 5 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

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, 1405399 + ... + 1405481.

Almost surely, 2^116651520 is an apocalyptic number.

116651520 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 116651520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207783576).

116651520 is an abundant number, since it is smaller than the sum of its proper divisors (298915632).

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

116651520 is an equidigital number, since it uses as much as digits as its factorization.

116651520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 116651520 is about 10800.5333201653. The cubic root of 116651520 is about 488.6112558953.

The spelling of 116651520 in words is "one hundred sixteen million, six hundred fifty-one thousand, five hundred twenty".