8173516057 has 4 divisors (see below), whose sum is σ = 9341161216. Its totient is φ = 7005870900.

The previous prime is 8173516027. The next prime is 8173516061. The reversal of 8173516057 is 7506153718.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8173516057 - 2⁷ = 8173515929 is a prime.

It is the 90408-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8173516027) by changing a digit.

It is a nontrivial repunit in base 90407.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583822569 + ... + 583822582.

It is an arithmetic number, because the mean of its divisors is an integer number (2335290304).

Almost surely, 2^8173516057 is an apocalyptic number.

It is an amenable number.

8173516057 is a deficient number, since it is larger than the sum of its proper divisors (1167645159).

8173516057 is a wasteful number, since it uses less digits than its factorization.

8173516057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167645158.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 8173516057 is about 90407.5000041479. The cubic root of 8173516057 is about 2014.3563721291.

The spelling of 8173516057 in words is "eight billion, one hundred seventy-three million, five hundred sixteen thousand, fifty-seven".