168716345 has 32 divisors (see below), whose sum is σ = 241643520. Its totient is φ = 110638080.

The previous prime is 168716329. The next prime is 168716351. The reversal of 168716345 is 543617861.

It is not a de Polignac number, because 168716345 - 2⁴ = 168716329 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113960 + ... + 115430.

It is an arithmetic number, because the mean of its divisors is an integer number (7551360).

Almost surely, 2^168716345 is an apocalyptic number.

It is an amenable number.

168716345 is a deficient number, since it is larger than the sum of its proper divisors (72927175).

168716345 is a wasteful number, since it uses less digits than its factorization.

168716345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625.

The product of its digits is 120960, while the sum is 41.

The square root of 168716345 is about 12989.0856106194. The cubic root of 168716345 is about 552.5679857373.

The spelling of 168716345 in words is "one hundred sixty-eight million, seven hundred sixteen thousand, three hundred forty-five".