168479233 has 4 divisors (see below), whose sum is σ = 181439188. Its totient is φ = 155519280.

The previous prime is 168479191. The next prime is 168479249. The reversal of 168479233 is 332974861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82137969 + 86341264 = 9063^2 + 9292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168479233 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 168479233.

It is not an unprimeable number, because it can be changed into a prime (168479933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6479958 + ... + 6479983.

It is an arithmetic number, because the mean of its divisors is an integer number (45359797).

Almost surely, 2^168479233 is an apocalyptic number.

168479233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168479233 is a deficient number, since it is larger than the sum of its proper divisors (12959955).

168479233 is a wasteful number, since it uses less digits than its factorization.

168479233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959954.

The product of its digits is 217728, while the sum is 43.

The square root of 168479233 is about 12979.9550461471. The cubic root of 168479233 is about 552.3090068252.

The spelling of 168479233 in words is "one hundred sixty-eight million, four hundred seventy-nine thousand, two hundred thirty-three".