113441661657 has 24 divisors (see below), whose sum is σ = 181042452864. Its totient is φ = 68084337024.

The previous prime is 113441661653. The next prime is 113441661689. The reversal of 113441661657 is 756166144311.

113441661657 is a `hidden beast` number, since 1 + 13 + 4 + 4 + 16 + 616 + 5 + 7 = 666.

It is not a de Polignac number, because 113441661657 - 2² = 113441661653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113441661653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16114933 + ... + 16121970.

It is an arithmetic number, because the mean of its divisors is an integer number (7543435536).

Almost surely, 2^113441661657 is an apocalyptic number.

113441661657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

113441661657 is a deficient number, since it is larger than the sum of its proper divisors (67600791207).

113441661657 is a wasteful number, since it uses less digits than its factorization.

113441661657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32236949 (or 32236946 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 113441661657 in words is "one hundred thirteen billion, four hundred forty-one million, six hundred sixty-one thousand, six hundred fifty-seven".