172726916000 has 96 divisors (see below), whose sum is σ = 438080348160. Its totient is φ = 66861984000.

The previous prime is 172726915961. The next prime is 172726916029. The reversal of 172726916000 is 619627271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572480 + ... + 820479.

It is an arithmetic number, because the mean of its divisors is an integer number (4563336960).

Almost surely, 2^172726916000 is an apocalyptic number.

172726916000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172726916000 is an abundant number, since it is smaller than the sum of its proper divisors (265353432160).

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

172726916000 is a wasteful number, since it uses less digits than its factorization.

172726916000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393015 (or 1392997 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 172726916000 in words is "one hundred seventy-two billion, seven hundred twenty-six million, nine hundred sixteen thousand".