171458492113 has 8 divisors (see below), whose sum is σ = 177401603880. Its totient is φ = 165517430400.

The previous prime is 171458492111. The next prime is 171458492141. The reversal of 171458492113 is 311294854171.

It can be written as a sum of positive squares in 4 ways, for example, as 61388486289 + 110070005824 = 247767^2 + 331768^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 171458492113 - 2¹ = 171458492111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171458492111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341370 + ... + 677827.

It is an arithmetic number, because the mean of its divisors is an integer number (22175200485).

Almost surely, 2^171458492113 is an apocalyptic number.

It is an amenable number.

171458492113 is a deficient number, since it is larger than the sum of its proper divisors (5943111767).

171458492113 is a wasteful number, since it uses less digits than its factorization.

171458492113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025027.

The product of its digits is 241920, while the sum is 46.

The spelling of 171458492113 in words is "one hundred seventy-one billion, four hundred fifty-eight million, four hundred ninety-two thousand, one hundred thirteen".