192138168 has 16 divisors (see below), whose sum is σ = 480345480. Its totient is φ = 64046048.

The previous prime is 192138139. The next prime is 192138223. The reversal of 192138168 is 861831291.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4002855 + ... + 4002902.

Almost surely, 2^192138168 is an apocalyptic number.

It is an amenable number.

192138168 is an abundant number, since it is smaller than the sum of its proper divisors (288207312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

192138168 is a wasteful number, since it uses less digits than its factorization.

192138168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8005766 (or 8005762 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 192138168 is about 13861.3912721631. The cubic root of 192138168 is about 577.0381787877.

The spelling of 192138168 in words is "one hundred ninety-two million, one hundred thirty-eight thousand, one hundred sixty-eight".