172204896348 has 96 divisors (see below), whose sum is σ = 449638801920. Its totient is φ = 56993351040.

The previous prime is 172204896289. The next prime is 172204896371. The reversal of 172204896348 is 843698402271.

172204896348 is a `hidden beast` number, since 1 + 7 + 2 + 204 + 8 + 96 + 348 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 172204896294 and 172204896303.

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, 17508040 + ... + 17517872.

It is an arithmetic number, because the mean of its divisors is an integer number (4683737520).

Almost surely, 2^172204896348 is an apocalyptic number.

172204896348 is a gapful number since it is divisible by the number (18) 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 172204896348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224819400960).

172204896348 is an abundant number, since it is smaller than the sum of its proper divisors (277433905572).

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

172204896348 is a wasteful number, since it uses less digits than its factorization.

172204896348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10984 (or 10976 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 172204896348 in words is "one hundred seventy-two billion, two hundred four million, eight hundred ninety-six thousand, three hundred forty-eight".