116657220 has 24 divisors (see below), whose sum is σ = 326640384. Its totient is φ = 31108576.

The previous prime is 116657209. The next prime is 116657239. The reversal of 116657220 is 22756611.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972084 + ... + 972203.

It is an arithmetic number, because the mean of its divisors is an integer number (13610016).

Almost surely, 2^116657220 is an apocalyptic number.

116657220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116657220 is an abundant number, since it is smaller than the sum of its proper divisors (209983164).

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

116657220 is a wasteful number, since it uses less digits than its factorization.

116657220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944299 (or 1944297 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 116657220 is about 10800.7971928002. The cubic root of 116657220 is about 488.6192141822.

The spelling of 116657220 in words is "one hundred sixteen million, six hundred fifty-seven thousand, two hundred twenty".