172107520224 has 48 divisors (see below), whose sum is σ = 452044881792. Its totient is φ = 57335822208.

The previous prime is 172107520217. The next prime is 172107520229. The reversal of 172107520224 is 422025701271.

172107520224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172107520229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354844 + ... + 685659.

It is an arithmetic number, because the mean of its divisors is an integer number (9417601704).

Almost surely, 2^172107520224 is an apocalyptic number.

It is an amenable number.

172107520224 is an abundant number, since it is smaller than the sum of its proper divisors (279937361568).

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

172107520224 is a wasteful number, since it uses less digits than its factorization.

172107520224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042239 (or 1042231 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 172107520224 in words is "one hundred seventy-two billion, one hundred seven million, five hundred twenty thousand, two hundred twenty-four".