57171464167 has 2 divisors, whose sum is σ = 57171464168. Its totient is φ = 57171464166.

The previous prime is 57171464123. The next prime is 57171464197. The reversal of 57171464167 is 76146417175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57171464167 - 2⁷ = 57171464039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57171464167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57171464197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28585732083 + 28585732084.

It is an arithmetic number, because the mean of its divisors is an integer number (28585732084).

Almost surely, 2^57171464167 is an apocalyptic number.

57171464167 is a deficient number, since it is larger than the sum of its proper divisors (1).

57171464167 is an equidigital number, since it uses as much as digits as its factorization.

57171464167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 49.

The spelling of 57171464167 in words is "fifty-seven billion, one hundred seventy-one million, four hundred sixty-four thousand, one hundred sixty-seven".