170161834393 has 2 divisors, whose sum is σ = 170161834394. Its totient is φ = 170161834392.

The previous prime is 170161834387. The next prime is 170161834411. The reversal of 170161834393 is 393438161071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154388483929 + 15773350464 = 392923^2 + 125592^2 .

It is a cyclic number.

It is not a de Polignac number, because 170161834393 - 2¹³ = 170161826201 is a prime.

It is not a weakly prime, because it can be changed into another prime (170161834313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85080917196 + 85080917197.

It is an arithmetic number, because the mean of its divisors is an integer number (85080917197).

Almost surely, 2^170161834393 is an apocalyptic number.

It is an amenable number.

170161834393 is a deficient number, since it is larger than the sum of its proper divisors (1).

170161834393 is an equidigital number, since it uses as much as digits as its factorization.

170161834393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 170161834393 in words is "one hundred seventy billion, one hundred sixty-one million, eight hundred thirty-four thousand, three hundred ninety-three".