172057166263 has 8 divisors (see below), whose sum is σ = 177841809360. Its totient is φ = 166368137280.

The previous prime is 172057166261. The next prime is 172057166293. The reversal of 172057166263 is 362661750271.

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 172057166263 - 2¹ = 172057166261 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 (172057166261) 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, 23899870 + ... + 23907067.

It is an arithmetic number, because the mean of its divisors is an integer number (22230226170).

Almost surely, 2^172057166263 is an apocalyptic number.

172057166263 is a deficient number, since it is larger than the sum of its proper divisors (5784643097).

172057166263 is an equidigital number, since it uses as much as digits as its factorization.

172057166263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47807057.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 172057166263 in words is "one hundred seventy-two billion, fifty-seven million, one hundred sixty-six thousand, two hundred sixty-three".