668175343 has 8 divisors (see below), whose sum is σ = 729438336. Its totient is φ = 606999000.

The previous prime is 668175331. The next prime is 668175367. The reversal of 668175343 is 343571866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 668175343 - 2⁹ = 668174831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 668175343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668175743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4971 + ... + 36892.

It is an arithmetic number, because the mean of its divisors is an integer number (91179792).

Almost surely, 2^668175343 is an apocalyptic number.

668175343 is a deficient number, since it is larger than the sum of its proper divisors (61262993).

668175343 is a wasteful number, since it uses less digits than its factorization.

668175343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43325.

The product of its digits is 362880, while the sum is 43.

The square root of 668175343 is about 25849.0878562475. The cubic root of 668175343 is about 874.2389433565.

The spelling of 668175343 in words is "six hundred sixty-eight million, one hundred seventy-five thousand, three hundred forty-three".