1728912168 has 32 divisors (see below), whose sum is σ = 4802534400. Its totient is φ = 576303984.

The previous prime is 1728912083. The next prime is 1728912179. The reversal of 1728912168 is 8612198271.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001896 + ... + 4002327.

It is an arithmetic number, because the mean of its divisors is an integer number (150079200).

Almost surely, 2^1728912168 is an apocalyptic number.

1728912168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1728912168 is an abundant number, since it is smaller than the sum of its proper divisors (3073622232).

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

1728912168 is a wasteful number, since it uses less digits than its factorization.

1728912168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004238 (or 8004228 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 1728912168 is about 41580.1896099573. The cubic root of 1728912168 is about 1200.2111128573.

The spelling of 1728912168 in words is "one billion, seven hundred twenty-eight million, nine hundred twelve thousand, one hundred sixty-eight".