170485905407 has 16 divisors (see below), whose sum is σ = 181095927552. Its totient is φ = 159941337600.

The previous prime is 170485905397. The next prime is 170485905409. The reversal of 170485905407 is 704509584071.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 170485905407 - 2²⁰ = 170484856831 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 (170485905409) 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, 6725657 + ... + 6750957.

It is an arithmetic number, because the mean of its divisors is an integer number (11318495472).

Almost surely, 2^170485905407 is an apocalyptic number.

170485905407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

170485905407 is a deficient number, since it is larger than the sum of its proper divisors (10610022145).

170485905407 is a wasteful number, since it uses less digits than its factorization.

170485905407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26578.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 170485905407 in words is "one hundred seventy billion, four hundred eighty-five million, nine hundred five thousand, four hundred seven".