116331780 has 24 divisors (see below), whose sum is σ = 325729152. Its totient is φ = 31021792.

The previous prime is 116331779. The next prime is 116331823. The reversal of 116331780 is 87133611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969372 + ... + 969491.

It is an arithmetic number, because the mean of its divisors is an integer number (13572048).

Almost surely, 2^116331780 is an apocalyptic number.

116331780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116331780 is an abundant number, since it is smaller than the sum of its proper divisors (209397372).

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

116331780 is a wasteful number, since it uses less digits than its factorization.

116331780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938875 (or 1938873 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 116331780 is about 10785.7211163649. The cubic root of 116331780 is about 488.1644221100.

The spelling of 116331780 in words is "one hundred sixteen million, three hundred thirty-one thousand, seven hundred eighty".