116581856 has 24 divisors (see below), whose sum is σ = 237436920. Its totient is φ = 56280448.

The previous prime is 116581831. The next prime is 116581859. The reversal of 116581856 is 658185611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116581859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61886 + ... + 63741.

It is an arithmetic number, because the mean of its divisors is an integer number (9893205).

Almost surely, 2^116581856 is an apocalyptic number.

116581856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116581856 is an abundant number, since it is smaller than the sum of its proper divisors (120855064).

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

116581856 is a wasteful number, since it uses less digits than its factorization.

116581856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125666 (or 125658 counting only the distinct ones).

The product of its digits is 57600, while the sum is 41.

The square root of 116581856 is about 10797.3078125985. The cubic root of 116581856 is about 488.5139707143.

The spelling of 116581856 in words is "one hundred sixteen million, five hundred eighty-one thousand, eight hundred fifty-six".