172327416009 has 24 divisors (see below), whose sum is σ = 267306187680. Its totient is φ = 98464391424.

The previous prime is 172327416007. The next prime is 172327416031. The reversal of 172327416009 is 900614723271.

It is not a de Polignac number, because 172327416009 - 2¹ = 172327416007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172327416007) 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 23 ways as a sum of consecutive naturals, for example, 1944537 + ... + 2031225.

It is an arithmetic number, because the mean of its divisors is an integer number (11137757820).

Almost surely, 2^172327416009 is an apocalyptic number.

It is an amenable number.

172327416009 is a deficient number, since it is larger than the sum of its proper divisors (94978771671).

172327416009 is a wasteful number, since it uses less digits than its factorization.

172327416009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100229 (or 100222 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 172327416009 in words is "one hundred seventy-two billion, three hundred twenty-seven million, four hundred sixteen thousand, nine".