171057426 has 8 divisors (see below), whose sum is σ = 342114864. Its totient is φ = 57019140.

The previous prime is 171057421. The next prime is 171057433. The reversal of 171057426 is 624750171.

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

171057426 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (171057421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14254780 + ... + 14254791.

It is an arithmetic number, because the mean of its divisors is an integer number (42764358).

Almost surely, 2^171057426 is an apocalyptic number.

171057426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171057426 is a wasteful number, since it uses less digits than its factorization.

171057426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28509576.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 171057426 is about 13078.8923842962. The cubic root of 171057426 is about 555.1120364681.

It can be divided in two parts, 17105 and 7426, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 171057426 in words is "one hundred seventy-one million, fifty-seven thousand, four hundred twenty-six".