168040475 has 12 divisors (see below), whose sum is σ = 212303376. Its totient is φ = 131894880.

The previous prime is 168040469. The next prime is 168040511. The reversal of 168040475 is 574040861.

It is a de Polignac number, because none of the positive numbers 2^k-168040475 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62087 + ... + 64736.

It is an arithmetic number, because the mean of its divisors is an integer number (17691948).

Almost surely, 2^168040475 is an apocalyptic number.

168040475 is a deficient number, since it is larger than the sum of its proper divisors (44262901).

168040475 is a wasteful number, since it uses less digits than its factorization.

168040475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126886 (or 126881 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 168040475 is about 12963.0426598079. The cubic root of 168040475 is about 551.8291442006.

The spelling of 168040475 in words is "one hundred sixty-eight million, forty thousand, four hundred seventy-five".