116181045 has 24 divisors (see below), whose sum is σ = 203650200. Its totient is φ = 61264896.

The previous prime is 116181019. The next prime is 116181049. The reversal of 116181045 is 540181611.

116181045 is a `hidden beast` number, since 1 + 1 + 618 + 1 + 0 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 381924 + 115799121 = 618^2 + 10761^2 .

It is not a de Polignac number, because 116181045 - 2⁷ = 116180917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116181049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10500 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (8485425).

Almost surely, 2^116181045 is an apocalyptic number.

116181045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116181045 is a deficient number, since it is larger than the sum of its proper divisors (87469155).

116181045 is a wasteful number, since it uses less digits than its factorization.

116181045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29109 (or 29106 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 116181045 is about 10778.7311405378. The cubic root of 116181045 is about 487.9534872918.

The spelling of 116181045 in words is "one hundred sixteen million, one hundred eighty-one thousand, forty-five".