168255475 has 12 divisors (see below), whose sum is σ = 209848176. Its totient is φ = 133822880.

The previous prime is 168255473. The next prime is 168255481. The reversal of 168255475 is 574552861.

It is not a de Polignac number, because 168255475 - 2¹ = 168255473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168255473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15127 + ... + 23776.

It is an arithmetic number, because the mean of its divisors is an integer number (17487348).

Almost surely, 2^168255475 is an apocalyptic number.

168255475 is a deficient number, since it is larger than the sum of its proper divisors (41592701).

168255475 is a wasteful number, since it uses less digits than its factorization.

168255475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39086 (or 39081 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 168255475 is about 12971.3328150965. The cubic root of 168255475 is about 552.0643905055.

The spelling of 168255475 in words is "one hundred sixty-eight million, two hundred fifty-five thousand, four hundred seventy-five".