116297520 has 80 divisors (see below), whose sum is σ = 362735712. Its totient is φ = 30822400.

The previous prime is 116297513. The next prime is 116297543. The reversal of 116297520 is 25792611.

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

It is a super-2 number, since 2×116297520² = 27050226316300800, which contains 22 as substring.

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, 40120 + ... + 42920.

Almost surely, 2^116297520 is an apocalyptic number.

116297520 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 116297520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181367856).

116297520 is an abundant number, since it is smaller than the sum of its proper divisors (246438192).

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

116297520 is a wasteful number, since it uses less digits than its factorization.

116297520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 116297520 is about 10784.1327885000. The cubic root of 116297520 is about 488.1164955240.

The spelling of 116297520 in words is "one hundred sixteen million, two hundred ninety-seven thousand, five hundred twenty".