172716276870361 has 32 divisors (see below), whose sum is σ = 198387167846400. Its totient is φ = 147296700208320.

The previous prime is 172716276870299. The next prime is 172716276870373. The reversal of 172716276870361 is 163078672617271.

It is a cyclic number.

It is not a de Polignac number, because 172716276870361 - 2⁷ = 172716276870233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172716276870293 and 172716276870302.

It is not an unprimeable number, because it can be changed into a prime (172716276870161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6802250976 + ... + 6802276366.

It is an arithmetic number, because the mean of its divisors is an integer number (6199598995200).

Almost surely, 2^{172716276870361} is an apocalyptic number.

It is an amenable number.

172716276870361 is a deficient number, since it is larger than the sum of its proper divisors (25670890976039).

172716276870361 is a wasteful number, since it uses less digits than its factorization.

172716276870361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31869.

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 172716276870361 in words is "one hundred seventy-two trillion, seven hundred sixteen billion, two hundred seventy-six million, eight hundred seventy thousand, three hundred sixty-one".