83161373 has 2 divisors, whose sum is σ = 83161374. Its totient is φ = 83161372.

The previous prime is 83161367. The next prime is 83161387. The reversal of 83161373 is 37316138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 20403289 = 7922^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 83161373 - 2²² = 78967069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83161303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41580686 + 41580687.

It is an arithmetic number, because the mean of its divisors is an integer number (41580687).

Almost surely, 2^83161373 is an apocalyptic number.

It is an amenable number.

83161373 is a deficient number, since it is larger than the sum of its proper divisors (1).

83161373 is an equidigital number, since it uses as much as digits as its factorization.

83161373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 83161373 is about 9119.2857724714. The cubic root of 83161373 is about 436.4895830984.

The spelling of 83161373 in words is "eighty-three million, one hundred sixty-one thousand, three hundred seventy-three".