116810920 has 16 divisors (see below), whose sum is σ = 262824660. Its totient is φ = 46724352.

The previous prime is 116810891. The next prime is 116810923. The reversal of 116810920 is 29018611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105801796 + 11009124 = 10286^2 + 3318^2 .

It is not an unprimeable number, because it can be changed into a prime (116810923) 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, 1460097 + ... + 1460176.

Almost surely, 2^116810920 is an apocalyptic number.

116810920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116810920 is an abundant number, since it is smaller than the sum of its proper divisors (146013740).

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

116810920 is a wasteful number, since it uses less digits than its factorization.

116810920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920284 (or 2920280 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 116810920 is about 10807.9100662431. The cubic root of 116810920 is about 488.8337110209.

The spelling of 116810920 in words is "one hundred sixteen million, eight hundred ten thousand, nine hundred twenty".