163361864 has 16 divisors (see below), whose sum is σ = 306441600. Its totient is φ = 81644112.

The previous prime is 163361839. The next prime is 163361881. The reversal of 163361864 is 468163361.

It is a happy number.

It is an unprimeable number.

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, 27077 + ... + 32555.

It is an arithmetic number, because the mean of its divisors is an integer number (19152600).

Almost surely, 2^163361864 is an apocalyptic number.

It is an amenable number.

163361864 is a deficient number, since it is larger than the sum of its proper divisors (143079736).

163361864 is a wasteful number, since it uses less digits than its factorization.

163361864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212 (or 9208 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 163361864 is about 12781.3091661222. The cubic root of 163361864 is about 546.6594919410.

The spelling of 163361864 in words is "one hundred sixty-three million, three hundred sixty-one thousand, eight hundred sixty-four".