116540180 has 24 divisors (see below), whose sum is σ = 245091840. Its totient is φ = 46548000.

The previous prime is 116540173. The next prime is 116540189. The reversal of 116540180 is 81045611.

It is a super-2 number, since 2×116540180² = 27163227108864800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116540189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11141 + ... + 18899.

It is an arithmetic number, because the mean of its divisors is an integer number (10212160).

Almost surely, 2^116540180 is an apocalyptic number.

116540180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116540180 is an abundant number, since it is smaller than the sum of its proper divisors (128551660).

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

116540180 is a wasteful number, since it uses less digits than its factorization.

116540180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519 (or 8517 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 116540180 is about 10795.3777145591. The cubic root of 116540180 is about 488.4557520073.

Adding to 116540180 its reverse (81045611), we get a palindrome (197585791).

The spelling of 116540180 in words is "one hundred sixteen million, five hundred forty thousand, one hundred eighty".