83166613 has 2 divisors, whose sum is σ = 83166614. Its totient is φ = 83166612.

The previous prime is 83166571. The next prime is 83166653. The reversal of 83166613 is 31666138.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73667889 + 9498724 = 8583^2 + 3082^2 .

It is a cyclic number.

It is not a de Polignac number, because 83166613 - 2²⁵ = 49612181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83166653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41583306 + 41583307.

It is an arithmetic number, because the mean of its divisors is an integer number (41583307).

Almost surely, 2^83166613 is an apocalyptic number.

It is an amenable number.

83166613 is a deficient number, since it is larger than the sum of its proper divisors (1).

83166613 is an equidigital number, since it uses as much as digits as its factorization.

83166613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 83166613 is about 9119.5730711476. The cubic root of 83166613 is about 436.4987506454.

The spelling of 83166613 in words is "eighty-three million, one hundred sixty-six thousand, six hundred thirteen".