170141680891 has 16 divisors (see below), whose sum is σ = 212530603264. Its totient is φ = 132608371104.

The previous prime is 170141680883. The next prime is 170141680903. The reversal of 170141680891 is 198086141071.

It is a cyclic number.

It is not a de Polignac number, because 170141680891 - 2³ = 170141680883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (170141680801) 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, 13946805 + ... + 13958998.

It is an arithmetic number, because the mean of its divisors is an integer number (13283162704).

Almost surely, 2^170141680891 is an apocalyptic number.

170141680891 is a deficient number, since it is larger than the sum of its proper divisors (42388922373).

170141680891 is a wasteful number, since it uses less digits than its factorization.

170141680891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27905890.

The product of its (nonzero) digits is 96768, while the sum is 46.

The spelling of 170141680891 in words is "one hundred seventy billion, one hundred forty-one million, six hundred eighty thousand, eight hundred ninety-one".