5136172173 has 48 divisors (see below), whose sum is σ = 8571902976. Its totient is φ = 3046526640.

The previous prime is 5136172157. The next prime is 5136172187. The reversal of 5136172173 is 3712716315.

5136172173 is a `hidden beast` number, since 5 + 13 + 617 + 21 + 7 + 3 = 666.

It is not a de Polignac number, because 5136172173 - 2⁴ = 5136172157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5136172103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105190 + ... + 146072.

It is an arithmetic number, because the mean of its divisors is an integer number (178581312).

Almost surely, 2^5136172173 is an apocalyptic number.

It is an amenable number.

5136172173 is a deficient number, since it is larger than the sum of its proper divisors (3435730803).

5136172173 is a wasteful number, since it uses less digits than its factorization.

5136172173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40956 (or 40944 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 5136172173 is about 71667.0926785788. The cubic root of 5136172173 is about 1725.3605265347.

Adding to 5136172173 its reverse (3712716315), we get a palindrome (8848888488).

The spelling of 5136172173 in words is "five billion, one hundred thirty-six million, one hundred seventy-two thousand, one hundred seventy-three".