168874745 has 16 divisors (see below), whose sum is σ = 221007360. Its totient is φ = 123125184.

The previous prime is 168874729. The next prime is 168874789. The reversal of 168874745 is 547478861.

It is a happy number.

It is not a de Polignac number, because 168874745 - 2⁴ = 168874729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168874693 and 168874702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11309 + ... + 21578.

It is an arithmetic number, because the mean of its divisors is an integer number (13812960).

Almost surely, 2^168874745 is an apocalyptic number.

It is an amenable number.

168874745 is a deficient number, since it is larger than the sum of its proper divisors (52132615).

168874745 is a wasteful number, since it uses less digits than its factorization.

168874745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32984.

The product of its digits is 1505280, while the sum is 50.

The square root of 168874745 is about 12995.1816070419. The cubic root of 168874745 is about 552.7408585189.

The spelling of 168874745 in words is "one hundred sixty-eight million, eight hundred seventy-four thousand, seven hundred forty-five".