170606203349 has 2 divisors, whose sum is σ = 170606203350. Its totient is φ = 170606203348.

The previous prime is 170606203291. The next prime is 170606203363. The reversal of 170606203349 is 943302606071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134854200625 + 35752002724 = 367225^2 + 189082^2 .

It is a cyclic number.

It is not a de Polignac number, because 170606203349 - 2²⁸ = 170337767893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170606203379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85303101674 + 85303101675.

It is an arithmetic number, because the mean of its divisors is an integer number (85303101675).

Almost surely, 2^170606203349 is an apocalyptic number.

It is an amenable number.

170606203349 is a deficient number, since it is larger than the sum of its proper divisors (1).

170606203349 is an equidigital number, since it uses as much as digits as its factorization.

170606203349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 170606203349 in words is "one hundred seventy billion, six hundred six million, two hundred three thousand, three hundred forty-nine".