8149818667 has 2 divisors, whose sum is σ = 8149818668. Its totient is φ = 8149818666.

The previous prime is 8149818601. The next prime is 8149818821. The reversal of 8149818667 is 7668189418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8149818667 - 2²⁷ = 8015600939 is a prime.

It is not a weakly prime, because it can be changed into another prime (8149818967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074909333 + 4074909334.

It is an arithmetic number, because the mean of its divisors is an integer number (4074909334).

Almost surely, 2^8149818667 is an apocalyptic number.

8149818667 is a deficient number, since it is larger than the sum of its proper divisors (1).

8149818667 is an equidigital number, since it uses as much as digits as its factorization.

8149818667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 58.

The square root of 8149818667 is about 90276.3461101522. The cubic root of 8149818667 is about 2012.4077535589.

The spelling of 8149818667 in words is "eight billion, one hundred forty-nine million, eight hundred eighteen thousand, six hundred sixty-seven".