5173666138 has 8 divisors (see below), whose sum is σ = 8097912288. Its totient is φ = 2474362044.

The previous prime is 5173666133. The next prime is 5173666153. The reversal of 5173666138 is 8316663715.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 112471003 = 5173666138 / (5 + 1 + 7 + 3 + 6 + 6 + 6 + 1 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (5173666133) 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, 56235456 + ... + 56235547.

It is an arithmetic number, because the mean of its divisors is an integer number (1012239036).

Almost surely, 2^5173666138 is an apocalyptic number.

5173666138 is a deficient number, since it is larger than the sum of its proper divisors (2924246150).

5173666138 is a wasteful number, since it uses less digits than its factorization.

5173666138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112471028.

The product of its digits is 544320, while the sum is 46.

The square root of 5173666138 is about 71928.2012704336. The cubic root of 5173666138 is about 1729.5487187593.

The spelling of 5173666138 in words is "five billion, one hundred seventy-three million, six hundred sixty-six thousand, one hundred thirty-eight".