116618520 has 32 divisors (see below), whose sum is σ = 349855920. Its totient is φ = 31098240.

The previous prime is 116618507. The next prime is 116618543. The reversal of 116618520 is 25816611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485791 + ... + 486030.

Almost surely, 2^116618520 is an apocalyptic number.

116618520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116618520 is an abundant number, since it is smaller than the sum of its proper divisors (233237400).

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

116618520 is a wasteful number, since it uses less digits than its factorization.

116618520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971835 (or 971831 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 116618520 is about 10799.0055097680. The cubic root of 116618520 is about 488.5651765067.

The spelling of 116618520 in words is "one hundred sixteen million, six hundred eighteen thousand, five hundred twenty".