116909580 has 24 divisors (see below), whose sum is σ = 327346992. Its totient is φ = 31175872.

The previous prime is 116909563. The next prime is 116909593. The reversal of 116909580 is 85909611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974187 + ... + 974306.

It is an arithmetic number, because the mean of its divisors is an integer number (13639458).

Almost surely, 2^116909580 is an apocalyptic number.

116909580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116909580 is an abundant number, since it is smaller than the sum of its proper divisors (210437412).

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

116909580 is a wasteful number, since it uses less digits than its factorization.

116909580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948505 (or 1948503 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 116909580 is about 10812.4733525683. The cubic root of 116909580 is about 488.9712973647.

The spelling of 116909580 in words is "one hundred sixteen million, nine hundred nine thousand, five hundred eighty".