168967345 has 8 divisors (see below), whose sum is σ = 208241064. Its totient is φ = 131520384.

The previous prime is 168967343. The next prime is 168967373. The reversal of 168967345 is 543769861.

168967345 = 9191² + 9192².

It can be written as a sum of positive squares in 4 ways, for example, as 84492864 + 84474481 = 9192^2 + 9191^2 .

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 168967345 - 2¹ = 168967343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168967343) 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, 456484 + ... + 456853.

It is an arithmetic number, because the mean of its divisors is an integer number (26030133).

Almost surely, 2^168967345 is an apocalyptic number.

168967345 is the 9192-nd centered square number.

It is an amenable number.

168967345 is a deficient number, since it is larger than the sum of its proper divisors (39273719).

168967345 is an equidigital number, since it uses as much as digits as its factorization.

168967345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913379.

The product of its digits is 1088640, while the sum is 49.

The square root of 168967345 is about 12998.7439777849. The cubic root of 168967345 is about 552.8418691842.

The spelling of 168967345 in words is "one hundred sixty-eight million, nine hundred sixty-seven thousand, three hundred forty-five".