168075899 has 2 divisors, whose sum is σ = 168075900. Its totient is φ = 168075898.

The previous prime is 168075841. The next prime is 168075937. The reversal of 168075899 is 998570861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168075899 - 2⁸ = 168075643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168075899.

It is not a weakly prime, because it can be changed into another prime (168075829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84037949 + 84037950.

It is an arithmetic number, because the mean of its divisors is an integer number (84037950).

Almost surely, 2^168075899 is an apocalyptic number.

168075899 is a deficient number, since it is larger than the sum of its proper divisors (1).

168075899 is an equidigital number, since it uses as much as digits as its factorization.

168075899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 168075899 is about 12964.4089336923. The cubic root of 168075899 is about 551.8679178396.

The spelling of 168075899 in words is "one hundred sixty-eight million, seventy-five thousand, eight hundred ninety-nine".