171264057 has 16 divisors (see below), whose sum is σ = 236318208. Its totient is φ = 110211840.

The previous prime is 171264047. The next prime is 171264061. The reversal of 171264057 is 750462171.

It is not a de Polignac number, because 171264057 - 2¹⁰ = 171263033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171264007) 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, 38143 + ... + 42395.

It is an arithmetic number, because the mean of its divisors is an integer number (14769888).

Almost surely, 2^171264057 is an apocalyptic number.

It is an amenable number.

171264057 is a deficient number, since it is larger than the sum of its proper divisors (65054151).

171264057 is a wasteful number, since it uses less digits than its factorization.

171264057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720.

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

The square root of 171264057 is about 13086.7894076431. The cubic root of 171264057 is about 555.3354647500.

The spelling of 171264057 in words is "one hundred seventy-one million, two hundred sixty-four thousand, fifty-seven".