113661653 has 8 divisors (see below), whose sum is σ = 135547008. Its totient is φ = 93188304.

The previous prime is 113661649. The next prime is 113661661. The reversal of 113661653 is 356166311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113661653 - 2² = 113661649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113661623) 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, 352826 + ... + 353147.

It is an arithmetic number, because the mean of its divisors is an integer number (16943376).

Almost surely, 2^113661653 is an apocalyptic number.

It is an amenable number.

113661653 is a deficient number, since it is larger than the sum of its proper divisors (21885355).

113661653 is an equidigital number, since it uses as much as digits as its factorization.

113661653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706003.

The product of its digits is 9720, while the sum is 32.

The square root of 113661653 is about 10661.2219280906. The cubic root of 113661653 is about 484.4005816139.

The spelling of 113661653 in words is "one hundred thirteen million, six hundred sixty-one thousand, six hundred fifty-three".