168517345 has 24 divisors (see below), whose sum is σ = 216619200. Its totient is φ = 125820672.

The previous prime is 168517337. The next prime is 168517357. The reversal of 168517345 is 543715861.

It is a happy number.

168517345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168517345 - 2³ = 168517337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168517298 and 168517307.

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, 200436 + ... + 201274.

It is an arithmetic number, because the mean of its divisors is an integer number (9025800).

Almost surely, 2^168517345 is an apocalyptic number.

It is an amenable number.

168517345 is a deficient number, since it is larger than the sum of its proper divisors (48101855).

168517345 is a wasteful number, since it uses less digits than its factorization.

168517345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1000 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 168517345 is about 12981.4230729917. The cubic root of 168517345 is about 552.3506499671.

The spelling of 168517345 in words is "one hundred sixty-eight million, five hundred seventeen thousand, three hundred forty-five".