116645540 has 96 divisors (see below), whose sum is σ = 283046400. Its totient is φ = 39979520.

The previous prime is 116645521. The next prime is 116645549. The reversal of 116645540 is 45546611.

It is a junction number, because it is equal to n+sod(n) for n = 116645497 and 116645506.

It is not an unprimeable number, because it can be changed into a prime (116645549) 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 31 ways as a sum of consecutive naturals, for example, 299666 + ... + 300054.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^116645540 is an apocalyptic number.

116645540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116645540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141523200).

116645540 is an abundant number, since it is smaller than the sum of its proper divisors (166400860).

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

116645540 is a wasteful number, since it uses less digits than its factorization.

116645540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 116645540 is about 10800.2564784361. The cubic root of 116645540 is about 488.6029063963.

The spelling of 116645540 in words is "one hundred sixteen million, six hundred forty-five thousand, five hundred forty".