116531900 has 36 divisors (see below), whose sum is σ = 255218040. Its totient is φ = 46180800.

The previous prime is 116531893. The next prime is 116531927. The reversal of 116531900 is 9135611.

It is a super-2 number, since 2×116531900² = 27159367435220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116531900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5555 + ... + 16245.

It is an arithmetic number, because the mean of its divisors is an integer number (7089390).

Almost surely, 2^116531900 is an apocalyptic number.

116531900 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 116531900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127609020).

116531900 is an abundant number, since it is smaller than the sum of its proper divisors (138686140).

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

116531900 is a wasteful number, since it uses less digits than its factorization.

116531900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10814 (or 10807 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 116531900 is about 10794.9942102810. The cubic root of 116531900 is about 488.4441837241. Note that the first 3 decimals are identical.

The spelling of 116531900 in words is "one hundred sixteen million, five hundred thirty-one thousand, nine hundred".