113166491 has 2 divisors, whose sum is σ = 113166492. Its totient is φ = 113166490.

The previous prime is 113166457. The next prime is 113166503. The reversal of 113166491 is 194661311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113166491 - 2¹⁰ = 113165467 is a prime.

It is a Sophie Germain prime.

It is equal to p_6474128 and since 113166491 and 6474128 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (113166401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56583245 + 56583246.

It is an arithmetic number, because the mean of its divisors is an integer number (56583246).

Almost surely, 2^113166491 is an apocalyptic number.

113166491 is a deficient number, since it is larger than the sum of its proper divisors (1).

113166491 is an equidigital number, since it uses as much as digits as its factorization.

113166491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 113166491 is about 10637.9740082405. The cubic root of 113166491 is about 483.6961343696.

The spelling of 113166491 in words is "one hundred thirteen million, one hundred sixty-six thousand, four hundred ninety-one".