183813968 has 20 divisors (see below), whose sum is σ = 383535348. Its totient is φ = 84837120.

The previous prime is 183813943. The next prime is 183813991. The reversal of 183813968 is 869318381.

It is a happy number.

183813968 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125260864 + 58553104 = 11192^2 + 7652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441653 + ... + 442068.

Almost surely, 2^183813968 is an apocalyptic number.

It is an amenable number.

183813968 is an abundant number, since it is smaller than the sum of its proper divisors (199721380).

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

183813968 is a wasteful number, since it uses less digits than its factorization.

183813968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883742 (or 883736 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 183813968 is about 13557.8010016374. The cubic root of 183813968 is about 568.5816464559.

The spelling of 183813968 in words is "one hundred eighty-three million, eight hundred thirteen thousand, nine hundred sixty-eight".