172100260 has 48 divisors (see below), whose sum is σ = 379685376. Its totient is φ = 65400192.

The previous prime is 172100221. The next prime is 172100261. The reversal of 172100260 is 62001271.

It is not an unprimeable number, because it can be changed into a prime (172100261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71029 + ... + 73411.

It is an arithmetic number, because the mean of its divisors is an integer number (7910112).

Almost surely, 2^172100260 is an apocalyptic number.

172100260 is a gapful number since it is divisible by the number (10) 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 172100260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189842688).

172100260 is an abundant number, since it is smaller than the sum of its proper divisors (207585116).

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

172100260 is a wasteful number, since it uses less digits than its factorization.

172100260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 172100260 is about 13118.6988684092. The cubic root of 172100260 is about 556.2378129721.

The spelling of 172100260 in words is "one hundred seventy-two million, one hundred thousand, two hundred sixty".