180116860 has 48 divisors (see below), whose sum is σ = 471582720. Its totient is φ = 56139840.

The previous prime is 180116803. The next prime is 180116869. The reversal of 180116860 is 68611081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180116869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56940 + ... + 60019.

It is an arithmetic number, because the mean of its divisors is an integer number (9824640).

Almost surely, 2^180116860 is an apocalyptic number.

180116860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180116860 is an abundant number, since it is smaller than the sum of its proper divisors (291465860).

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

180116860 is a wasteful number, since it uses less digits than its factorization.

180116860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116986 (or 116984 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 180116860 is about 13420.7622734329. The cubic root of 180116860 is about 564.7437791961.

The spelling of 180116860 in words is "one hundred eighty million, one hundred sixteen thousand, eight hundred sixty".