113361661 has 8 divisors (see below), whose sum is σ = 137177280. Its totient is φ = 91451328.

The previous prime is 113361659. The next prime is 113361671. The reversal of 113361661 is 166163311.

It is a happy number.

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 113361661 - 2¹ = 113361659 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 (113361601) 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, 476191 + ... + 476428.

It is an arithmetic number, because the mean of its divisors is an integer number (17147160).

Almost surely, 2^113361661 is an apocalyptic number.

It is an amenable number.

113361661 is a deficient number, since it is larger than the sum of its proper divisors (23815619).

113361661 is an equidigital number, since it uses as much as digits as its factorization.

113361661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952643.

The product of its digits is 1944, while the sum is 28.

The square root of 113361661 is about 10647.1433257940. The cubic root of 113361661 is about 483.9740398275.

The spelling of 113361661 in words is "one hundred thirteen million, three hundred sixty-one thousand, six hundred sixty-one".