113921663 has 8 divisors (see below), whose sum is σ = 122707200. Its totient is φ = 105415128.

The previous prime is 113921653. The next prime is 113921669. The reversal of 113921663 is 366129311.

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 113921663 - 2⁸ = 113921407 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 (113921669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68903 + ... + 70536.

It is an arithmetic number, because the mean of its divisors is an integer number (15338400).

Almost surely, 2^113921663 is an apocalyptic number.

113921663 is a deficient number, since it is larger than the sum of its proper divisors (8785537).

113921663 is a wasteful number, since it uses less digits than its factorization.

113921663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139501.

The product of its digits is 5832, while the sum is 32.

The square root of 113921663 is about 10673.4091554667. The cubic root of 113921663 is about 484.7696685028.

The spelling of 113921663 in words is "one hundred thirteen million, nine hundred twenty-one thousand, six hundred sixty-three".