168350001899 has 2 divisors, whose sum is σ = 168350001900. Its totient is φ = 168350001898.

The previous prime is 168350001829. The next prime is 168350001959. The reversal of 168350001899 is 998100053861.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168350001899 is a prime.

It is not a weakly prime, because it can be changed into another prime (168350001829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84175000949 + 84175000950.

It is an arithmetic number, because the mean of its divisors is an integer number (84175000950).

Almost surely, 2^168350001899 is an apocalyptic number.

168350001899 is a deficient number, since it is larger than the sum of its proper divisors (1).

168350001899 is an equidigital number, since it uses as much as digits as its factorization.

168350001899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 168350001899 in words is "one hundred sixty-eight billion, three hundred fifty million, one thousand, eight hundred ninety-nine".