170840806213 has 16 divisors (see below), whose sum is σ = 225525527424. Its totient is φ = 125291957760.

The previous prime is 170840806183. The next prime is 170840806217. The reversal of 170840806213 is 312608048071.

It is a cyclic number.

It is not a de Polignac number, because 170840806213 - 2⁵ = 170840806181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170840806217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65254920 + ... + 65257537.

It is an arithmetic number, because the mean of its divisors is an integer number (14095345464).

Almost surely, 2^170840806213 is an apocalyptic number.

It is an amenable number.

170840806213 is a deficient number, since it is larger than the sum of its proper divisors (54684721211).

170840806213 is a wasteful number, since it uses less digits than its factorization.

170840806213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130512492.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 170840806213 in words is "one hundred seventy billion, eight hundred forty million, eight hundred six thousand, two hundred thirteen".