8166331 has 2 divisors, whose sum is σ = 8166332. Its totient is φ = 8166330.

The previous prime is 8166317. The next prime is 8166337. The reversal of 8166331 is 1336618.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8166331 - 2¹⁷ = 8035259 is a prime.

It is a super-2 number, since 2×8166331² = 133377924003122, 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 8166331.

It is not a weakly prime, because it can be changed into another prime (8166337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4083165 + 4083166.

It is an arithmetic number, because the mean of its divisors is an integer number (4083166).

Almost surely, 2^8166331 is an apocalyptic number.

8166331 is a deficient number, since it is larger than the sum of its proper divisors (1).

8166331 is an equidigital number, since it uses as much as digits as its factorization.

8166331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 8166331 is about 2857.6793032109. The cubic root of 8166331 is about 201.3765948607.

The spelling of 8166331 in words is "eight million, one hundred sixty-six thousand, three hundred thirty-one".