172153432000 has 112 divisors (see below), whose sum is σ = 465096209760. Its totient is φ = 62601216000.

The previous prime is 172153431941. The next prime is 172153432049. The reversal of 172153432000 is 234351271.

It is a self number, because there is not a number n which added to its sum of digits gives 172153432000.

It is a congruent number.

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, 890145 + ... + 1066144.

It is an arithmetic number, because the mean of its divisors is an integer number (4152644730).

Almost surely, 2^172153432000 is an apocalyptic number.

172153432000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172153432000 is an abundant number, since it is smaller than the sum of its proper divisors (292942777760).

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

172153432000 is a wasteful number, since it uses less digits than its factorization.

172153432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956327 (or 1956307 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 172153432000 its reverse (234351271), we get a palindrome (172387783271).

The spelling of 172153432000 in words is "one hundred seventy-two billion, one hundred fifty-three million, four hundred thirty-two thousand".