113666173 has 2 divisors, whose sum is σ = 113666174. Its totient is φ = 113666172.

The previous prime is 113666153. The next prime is 113666209. The reversal of 113666173 is 371666311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67453369 + 46212804 = 8213^2 + 6798^2 .

It is a cyclic number.

It is not a de Polignac number, because 113666173 - 2⁹ = 113665661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113666123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56833086 + 56833087.

It is an arithmetic number, because the mean of its divisors is an integer number (56833087).

Almost surely, 2^113666173 is an apocalyptic number.

It is an amenable number.

113666173 is a deficient number, since it is larger than the sum of its proper divisors (1).

113666173 is an equidigital number, since it uses as much as digits as its factorization.

113666173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 113666173 is about 10661.4339091888. The cubic root of 113666173 is about 484.4070026056.

The spelling of 113666173 in words is "one hundred thirteen million, six hundred sixty-six thousand, one hundred seventy-three".