163142768 has 20 divisors (see below), whose sum is σ = 324633240. Its totient is φ = 79366464.

The previous prime is 163142767. The next prime is 163142831. The reversal of 163142768 is 867241361.

163142768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163142767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137198 + ... + 138381.

It is an arithmetic number, because the mean of its divisors is an integer number (16231662).

Almost surely, 2^163142768 is an apocalyptic number.

It is an amenable number.

163142768 is a deficient number, since it is larger than the sum of its proper divisors (161490472).

163142768 is a wasteful number, since it uses less digits than its factorization.

163142768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275624 (or 275618 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 163142768 is about 12772.7353374287. The cubic root of 163142768 is about 546.4149948688.

The spelling of 163142768 in words is "one hundred sixty-three million, one hundred forty-two thousand, seven hundred sixty-eight".