172364262463272 has 128 divisors (see below), whose sum is σ = 474751444101120. Its totient is φ = 51713056800000.

The previous prime is 172364262463223. The next prime is 172364262463297. The reversal of 172364262463272 is 272364262463271.

172364262463272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1429743397 + ... + 1429863947.

It is an arithmetic number, because the mean of its divisors is an integer number (3708995657040).

Almost surely, 2^{172364262463272} is an apocalyptic number.

172364262463272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172364262463272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237375722050560).

172364262463272 is an abundant number, since it is smaller than the sum of its proper divisors (302387181637848).

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

172364262463272 is a wasteful number, since it uses less digits than its factorization.

172364262463272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174295 (or 174291 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 57.

Subtracting 172364262463272 from its reverse (272364262463271), we obtain a palindrome (99999999999999).

The spelling of 172364262463272 in words is "one hundred seventy-two trillion, three hundred sixty-four billion, two hundred sixty-two million, four hundred sixty-three thousand, two hundred seventy-two".