172034442318 has 64 divisors (see below), whose sum is σ = 350087961600. Its totient is φ = 56350609920.

The previous prime is 172034442253. The next prime is 172034442353. The reversal of 172034442318 is 813244430271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91946923 + ... + 91948793.

It is an arithmetic number, because the mean of its divisors is an integer number (5470124400).

Almost surely, 2^172034442318 is an apocalyptic number.

172034442318 is an abundant number, since it is smaller than the sum of its proper divisors (178053519282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172034442318 is a wasteful number, since it uses less digits than its factorization.

172034442318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937.

The product of its (nonzero) digits is 129024, while the sum is 39.

Adding to 172034442318 its reverse (813244430271), we get a palindrome (985278872589).

The spelling of 172034442318 in words is "one hundred seventy-two billion, thirty-four million, four hundred forty-two thousand, three hundred eighteen".