170406346345 has 4 divisors (see below), whose sum is σ = 204487615620. Its totient is φ = 136325077072.

The previous prime is 170406346307. The next prime is 170406346351. The reversal of 170406346345 is 543643604071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543643604071 = 47 ⋅11566885193.

It can be written as a sum of positive squares in 2 ways, for example, as 105025901929 + 65380444416 = 324077^2 + 255696^2 .

It is a cyclic number.

It is not a de Polignac number, because 170406346345 - 2¹³ = 170406338153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17040634630 + ... + 17040634639.

It is an arithmetic number, because the mean of its divisors is an integer number (51121903905).

Almost surely, 2^170406346345 is an apocalyptic number.

It is an amenable number.

170406346345 is a deficient number, since it is larger than the sum of its proper divisors (34081269275).

170406346345 is an equidigital number, since it uses as much as digits as its factorization.

170406346345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34081269274.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 170406346345 in words is "one hundred seventy billion, four hundred six million, three hundred forty-six thousand, three hundred forty-five".