170516163397 has 2 divisors, whose sum is σ = 170516163398. Its totient is φ = 170516163396.

The previous prime is 170516163371. The next prime is 170516163413. The reversal of 170516163397 is 793361615071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140991989121 + 29524174276 = 375489^2 + 171826^2 .

It is an emirp because it is prime and its reverse (793361615071) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170516163397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170516163397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170516167397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85258081698 + 85258081699.

It is an arithmetic number, because the mean of its divisors is an integer number (85258081699).

Almost surely, 2^170516163397 is an apocalyptic number.

It is an amenable number.

170516163397 is a deficient number, since it is larger than the sum of its proper divisors (1).

170516163397 is an equidigital number, since it uses as much as digits as its factorization.

170516163397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 170516163397 in words is "one hundred seventy billion, five hundred sixteen million, one hundred sixty-three thousand, three hundred ninety-seven".