163928867 has 4 divisors (see below), whose sum is σ = 163964160. Its totient is φ = 163893576.

The previous prime is 163928839. The next prime is 163928887. The reversal of 163928867 is 768829361.

163928867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768829361 = 22063 ⋅34847.

It is a cyclic number.

It is not a de Polignac number, because 163928867 - 2⁶ = 163928803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163928887) 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, 9392 + ... + 20397.

It is an arithmetic number, because the mean of its divisors is an integer number (40991040).

Almost surely, 2^163928867 is an apocalyptic number.

163928867 is a deficient number, since it is larger than the sum of its proper divisors (35293).

163928867 is an equidigital number, since it uses as much as digits as its factorization.

163928867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35292.

The product of its digits is 870912, while the sum is 50.

The square root of 163928867 is about 12803.4708965968. The cubic root of 163928867 is about 547.2912176281.

The spelling of 163928867 in words is "one hundred sixty-three million, nine hundred twenty-eight thousand, eight hundred sixty-seven".