163776868 has 12 divisors (see below), whose sum is σ = 287873712. Its totient is φ = 81527240.

The previous prime is 163776863. The next prime is 163776869. The reversal of 163776868 is 868677361.

It is not an unprimeable number, because it can be changed into a prime (163776863) 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 3 ways as a sum of consecutive naturals, for example, 89278 + ... + 91093.

It is an arithmetic number, because the mean of its divisors is an integer number (23989476).

Almost surely, 2^163776868 is an apocalyptic number.

It is an amenable number.

163776868 is a deficient number, since it is larger than the sum of its proper divisors (124096844).

163776868 is a wasteful number, since it uses less digits than its factorization.

163776868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180602 (or 180600 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 163776868 is about 12797.5336686410. The cubic root of 163776868 is about 547.1220112241.

The spelling of 163776868 in words is "one hundred sixty-three million, seven hundred seventy-six thousand, eight hundred sixty-eight".