171104157 has 40 divisors (see below), whose sum is σ = 293180096. Its totient is φ = 97417728.

The previous prime is 171104137. The next prime is 171104203. The reversal of 171104157 is 751401171.

It is not a de Polignac number, because 171104157 - 2⁸ = 171103901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171104157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171104117) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 296253 + ... + 296829.

Almost surely, 2^171104157 is an apocalyptic number.

It is an amenable number.

171104157 is a deficient number, since it is larger than the sum of its proper divisors (122075939).

171104157 is an equidigital number, since it uses as much as digits as its factorization.

171104157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

The square root of 171104157 is about 13080.6787667919. The cubic root of 171104157 is about 555.1625820252.

The spelling of 171104157 in words is "one hundred seventy-one million, one hundred four thousand, one hundred fifty-seven".