83566193 has 2 divisors, whose sum is σ = 83566194. Its totient is φ = 83566192.

The previous prime is 83566187. The next prime is 83566207. The reversal of 83566193 is 39166538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 31047184 = 7247^2 + 5572^2 .

It is a cyclic number.

It is not a de Polignac number, because 83566193 - 2⁴ = 83566177 is a prime.

It is a super-2 number, since 2×83566193² = 13966617225026498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83566193.

It is not a weakly prime, because it can be changed into another prime (83566103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41783096 + 41783097.

It is an arithmetic number, because the mean of its divisors is an integer number (41783097).

Almost surely, 2^83566193 is an apocalyptic number.

It is an amenable number.

83566193 is a deficient number, since it is larger than the sum of its proper divisors (1).

83566193 is an equidigital number, since it uses as much as digits as its factorization.

83566193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 83566193 is about 9141.4546435455. The cubic root of 83566193 is about 437.1966973174.

The spelling of 83566193 in words is "eighty-three million, five hundred sixty-six thousand, one hundred ninety-three".