172839172150 has 12 divisors (see below), whose sum is σ = 321480860292. Its totient is φ = 69135668840.

The previous prime is 172839172139. The next prime is 172839172151. The reversal of 172839172150 is 51271938271.

It is a self number, because there is not a number n which added to its sum of digits gives 172839172150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172839172151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1728391672 + ... + 1728391771.

It is an arithmetic number, because the mean of its divisors is an integer number (26790071691).

Almost surely, 2^172839172150 is an apocalyptic number.

172839172150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172839172150 is a deficient number, since it is larger than the sum of its proper divisors (148641688142).

172839172150 is a wasteful number, since it uses less digits than its factorization.

172839172150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456783455 (or 3456783450 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 172839172150 in words is "one hundred seventy-two billion, eight hundred thirty-nine million, one hundred seventy-two thousand, one hundred fifty".