172166633317 has 8 divisors (see below), whose sum is σ = 196873740800. Its totient is φ = 147487494384.

The previous prime is 172166633291. The next prime is 172166633341. The reversal of 172166633317 is 713336661271.

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

It is a cyclic number.

It is not a de Polignac number, because 172166633317 - 2¹⁵ = 172166600549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172166633417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6978942 + ... + 7003567.

It is an arithmetic number, because the mean of its divisors is an integer number (24609217600).

Almost surely, 2^172166633317 is an apocalyptic number.

It is an amenable number.

172166633317 is a deficient number, since it is larger than the sum of its proper divisors (24707107483).

172166633317 is a wasteful number, since it uses less digits than its factorization.

172166633317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984275.

The product of its digits is 571536, while the sum is 46.

The spelling of 172166633317 in words is "one hundred seventy-two billion, one hundred sixty-six million, six hundred thirty-three thousand, three hundred seventeen".