116861856 has 96 divisors (see below), whose sum is σ = 327398400. Its totient is φ = 36391680.

The previous prime is 116861839. The next prime is 116861879. The reversal of 116861856 is 658168611.

It is a tau number, because it is divible by the number of its divisors (96).

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, 143691 + ... + 144501.

It is an arithmetic number, because the mean of its divisors is an integer number (3410400).

Almost surely, 2^116861856 is an apocalyptic number.

116861856 is a gapful number since it is divisible by the number (16) 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 116861856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163699200).

116861856 is an abundant number, since it is smaller than the sum of its proper divisors (210536544).

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

116861856 is a wasteful number, since it uses less digits than its factorization.

116861856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 914 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 116861856 is about 10810.2662316892. The cubic root of 116861856 is about 488.9047535103.

The spelling of 116861856 in words is "one hundred sixteen million, eight hundred sixty-one thousand, eight hundred fifty-six".