168007345 has 16 divisors (see below), whose sum is σ = 232875648. Its totient is φ = 114999040.

The previous prime is 168007327. The next prime is 168007349. The reversal of 168007345 is 543700861.

It is not a de Polignac number, because 168007345 - 2⁹ = 168006833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168007345.

It is not an unprimeable number, because it can be changed into a prime (168007349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88909 + ... + 90778.

It is an arithmetic number, because the mean of its divisors is an integer number (14554728).

Almost surely, 2^168007345 is an apocalyptic number.

It is an amenable number.

168007345 is a deficient number, since it is larger than the sum of its proper divisors (64868303).

168007345 is a wasteful number, since it uses less digits than its factorization.

168007345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179720.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 168007345 is about 12961.7647332452. The cubic root of 168007345 is about 551.7928765472.

The spelling of 168007345 in words is "one hundred sixty-eight million, seven thousand, three hundred forty-five".