172024845306912 has 144 divisors (see below), whose sum is σ = 526977038585088. Its totient is φ = 52915555560960.

The previous prime is 172024845306893. The next prime is 172024845306929. The reversal of 172024845306912 is 219603548420271.

It is a happy number.

172024845306912 is a `hidden beast` number, since 1 + 7 + 2 + 0 + 2 + 48 + 4 + 530 + 69 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6489553 + ... + 19651055.

It is an arithmetic number, because the mean of its divisors is an integer number (3659562767952).

It is a 1-persistent number, because it is pandigital, but 2⋅172024845306912 = 344049690613824 is not.

Almost surely, 2^{172024845306912} is an apocalyptic number.

172024845306912 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 172024845306912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263488519292544).

172024845306912 is an abundant number, since it is smaller than the sum of its proper divisors (354952193278176).

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

172024845306912 is a wasteful number, since it uses less digits than its factorization.

172024845306912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13165023 (or 13165012 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 172024845306912 in words is "one hundred seventy-two trillion, twenty-four billion, eight hundred forty-five million, three hundred six thousand, nine hundred twelve".