173164457 has 6 divisors (see below), whose sum is σ = 173754414. Its totient is φ = 172576320.

The previous prime is 173164429. The next prime is 173164463. The reversal of 173164457 is 754461371.

It can be written as a sum of positive squares in 3 ways, for example, as 609961 + 172554496 = 781^2 + 13136^2 .

It is a de Polignac number, because none of the positive numbers 2^k-173164457 is a prime.

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 173164457.

It is not an unprimeable number, because it can be changed into a prime (173164657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176753 + ... + 177729.

It is an arithmetic number, because the mean of its divisors is an integer number (28959069).

Almost surely, 2^173164457 is an apocalyptic number.

It is an amenable number.

173164457 is a deficient number, since it is larger than the sum of its proper divisors (589957).

173164457 is an frugal number, since it uses more digits than its factorization.

173164457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1398 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 173164457 is about 13159.1966700099. The cubic root of 173164457 is about 557.3819729098.

The spelling of 173164457 in words is "one hundred seventy-three million, one hundred sixty-four thousand, four hundred fifty-seven".