172810631712 has 96 divisors (see below), whose sum is σ = 455468469120. Its totient is φ = 57370327040.

The previous prime is 172810631701. The next prime is 172810631753. The reversal of 172810631712 is 217136018271.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25154614 + ... + 25161482.

It is an arithmetic number, because the mean of its divisors is an integer number (4744463220).

Almost surely, 2^172810631712 is an apocalyptic number.

172810631712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172810631712 is an abundant number, since it is smaller than the sum of its proper divisors (282657837408).

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

172810631712 is a wasteful number, since it uses less digits than its factorization.

172810631712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906 (or 7898 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

Adding to 172810631712 its reverse (217136018271), we get a palindrome (389946649983).

The spelling of 172810631712 in words is "one hundred seventy-two billion, eight hundred ten million, six hundred thirty-one thousand, seven hundred twelve".