268000172 has 24 divisors (see below), whose sum is σ = 541734480. Its totient is φ = 114652160.

The previous prime is 268000147. The next prime is 268000211. The reversal of 268000172 is 271000862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178397 + ... + 179892.

It is an arithmetic number, because the mean of its divisors is an integer number (22572270).

Almost surely, 2^268000172 is an apocalyptic number.

268000172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

268000172 is an abundant number, since it is smaller than the sum of its proper divisors (273734308).

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

268000172 is a wasteful number, since it uses less digits than its factorization.

268000172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358321 (or 358319 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 268000172 is about 16370.7107970302. The cubic root of 268000172 is about 644.7307106541.

The spelling of 268000172 in words is "two hundred sixty-eight million, one hundred seventy-two", and thus it is an aban number.