116431580 has 48 divisors (see below), whose sum is σ = 249480000. Its totient is φ = 45636096.

The previous prime is 116431571. The next prime is 116431583. The reversal of 116431580 is 85134611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116431583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265001 + ... + 265439.

It is an arithmetic number, because the mean of its divisors is an integer number (5197500).

Almost surely, 2^116431580 is an apocalyptic number.

116431580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116431580 is an abundant number, since it is smaller than the sum of its proper divisors (133048420).

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

116431580 is a wasteful number, since it uses less digits than its factorization.

116431580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 116431580 is about 10790.3466116710. The cubic root of 116431580 is about 488.3039795154.

The spelling of 116431580 in words is "one hundred sixteen million, four hundred thirty-one thousand, five hundred eighty".