172105250160 has 80 divisors (see below), whose sum is σ = 533726687520. Its totient is φ = 45877493760.

The previous prime is 172105250137. The next prime is 172105250179. The reversal of 172105250160 is 61052501271.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 512020 + ... + 778700.

It is an arithmetic number, because the mean of its divisors is an integer number (6671583594).

Almost surely, 2^172105250160 is an apocalyptic number.

172105250160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172105250160 is an abundant number, since it is smaller than the sum of its proper divisors (361621437360).

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

172105250160 is a wasteful number, since it uses less digits than its factorization.

172105250160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269386 (or 269380 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 172105250160 in words is "one hundred seventy-two billion, one hundred five million, two hundred fifty thousand, one hundred sixty".