172176663742113 has 16 divisors (see below), whose sum is σ = 244069954842240. Its totient is φ = 107722233151104.

The previous prime is 172176663742073. The next prime is 172176663742189. The reversal of 172176663742113 is 311247366671271.

It is a happy number.

It is not a de Polignac number, because 172176663742113 - 2¹⁸ = 172176663479969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172176663740113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23540694148 + ... + 23540701461.

It is an arithmetic number, because the mean of its divisors is an integer number (15254372177640).

Almost surely, 2^{172176663742113} is an apocalyptic number.

It is an amenable number.

172176663742113 is a deficient number, since it is larger than the sum of its proper divisors (71893291100127).

172176663742113 is a wasteful number, since it uses less digits than its factorization.

172176663742113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47081395688.

The product of its digits is 10668672, while the sum is 57.

The spelling of 172176663742113 in words is "one hundred seventy-two trillion, one hundred seventy-six billion, six hundred sixty-three million, seven hundred forty-two thousand, one hundred thirteen".