168493479 has 32 divisors (see below), whose sum is σ = 286623744. Its totient is φ = 85488480.

The previous prime is 168493453. The next prime is 168493487. The reversal of 168493479 is 974394861.

It is not a de Polignac number, because 168493479 - 2⁵ = 168493447 is a prime.

It is a super-4 number, since 4×168493479⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168493279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452 + ... + 18414.

It is an arithmetic number, because the mean of its divisors is an integer number (8956992).

Almost surely, 2^168493479 is an apocalyptic number.

168493479 is a deficient number, since it is larger than the sum of its proper divisors (118130265).

168493479 is a wasteful number, since it uses less digits than its factorization.

168493479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17027.

The product of its digits is 1306368, while the sum is 51.

The square root of 168493479 is about 12980.5038037820. The cubic root of 168493479 is about 552.3245734764.

The spelling of 168493479 in words is "one hundred sixty-eight million, four hundred ninety-three thousand, four hundred seventy-nine".