168676468 has 12 divisors (see below), whose sum is σ = 300023332. Its totient is φ = 82955520.

The previous prime is 168676463. The next prime is 168676477. The reversal of 168676468 is 864676861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77053284 + 91623184 = 8778^2 + 9572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168676463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 345405 + ... + 345892.

Almost surely, 2^168676468 is an apocalyptic number.

It is an amenable number.

168676468 is a deficient number, since it is larger than the sum of its proper divisors (131346864).

168676468 is a wasteful number, since it uses less digits than its factorization.

168676468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691362 (or 691360 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 168676468 is about 12987.5505003830. The cubic root of 168676468 is about 552.5244481855.

The spelling of 168676468 in words is "one hundred sixty-eight million, six hundred seventy-six thousand, four hundred sixty-eight".