116161181253 has 24 divisors (see below), whose sum is σ = 184104523512. Its totient is φ = 70135049088.

The previous prime is 116161181251. The next prime is 116161181293. The reversal of 116161181253 is 352181161611.

116161181253 is a `hidden beast` number, since 1 + 1 + 616 + 1 + 18 + 1 + 25 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1415038689 + 114746142564 = 37617^2 + 338742^2 .

It is not a de Polignac number, because 116161181253 - 2¹ = 116161181251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116161181251) 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, 9360126 + ... + 9372527.

It is an arithmetic number, because the mean of its divisors is an integer number (7671021813).

Almost surely, 2^116161181253 is an apocalyptic number.

116161181253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

116161181253 is a deficient number, since it is larger than the sum of its proper divisors (67943342259).

116161181253 is a wasteful number, since it uses less digits than its factorization.

116161181253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732725 (or 18732722 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The spelling of 116161181253 in words is "one hundred sixteen billion, one hundred sixty-one million, one hundred eighty-one thousand, two hundred fifty-three".