8166379597 has 2 divisors, whose sum is σ = 8166379598. Its totient is φ = 8166379596.

The previous prime is 8166379589. The next prime is 8166379643. The reversal of 8166379597 is 7959736618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5341563396 + 2824816201 = 73086^2 + 53149^2 .

It is a cyclic number.

It is not a de Polignac number, because 8166379597 - 2³ = 8166379589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8166379997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4083189798 + 4083189799.

It is an arithmetic number, because the mean of its divisors is an integer number (4083189799).

Almost surely, 2^8166379597 is an apocalyptic number.

It is an amenable number.

8166379597 is a deficient number, since it is larger than the sum of its proper divisors (1).

8166379597 is an equidigital number, since it uses as much as digits as its factorization.

8166379597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 61.

The square root of 8166379597 is about 90368.0230889223. The cubic root of 8166379597 is about 2013.7699431711.

The spelling of 8166379597 in words is "eight billion, one hundred sixty-six million, three hundred seventy-nine thousand, five hundred ninety-seven".