8190168345 has 24 divisors (see below), whose sum is σ = 14235002496. Its totient is φ = 4356178848.

The previous prime is 8190168317. The next prime is 8190168383. The reversal of 8190168345 is 5438610918.

It is not a de Polignac number, because 8190168345 - 2¹² = 8190164249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8190168345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231447 + ... + 264476.

It is an arithmetic number, because the mean of its divisors is an integer number (593125104).

Almost surely, 2^8190168345 is an apocalyptic number.

It is an amenable number.

8190168345 is a deficient number, since it is larger than the sum of its proper divisors (6044834151).

8190168345 is a wasteful number, since it uses less digits than its factorization.

8190168345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496301 (or 496298 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8190168345 is about 90499.5488662789. The cubic root of 8190168345 is about 2015.7234250982.

The spelling of 8190168345 in words is "eight billion, one hundred ninety million, one hundred sixty-eight thousand, three hundred forty-five".