170016315899 has 2 divisors, whose sum is σ = 170016315900. Its totient is φ = 170016315898.

The previous prime is 170016315863. The next prime is 170016315941. The reversal of 170016315899 is 998513610071.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170016315899 is a prime.

It is not a weakly prime, because it can be changed into another prime (170016314899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85008157949 + 85008157950.

It is an arithmetic number, because the mean of its divisors is an integer number (85008157950).

Almost surely, 2^170016315899 is an apocalyptic number.

170016315899 is a deficient number, since it is larger than the sum of its proper divisors (1).

170016315899 is an equidigital number, since it uses as much as digits as its factorization.

170016315899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 170016315899 in words is "one hundred seventy billion, sixteen million, three hundred fifteen thousand, eight hundred ninety-nine".