28009018163 has 8 divisors (see below), whose sum is σ = 32088574560. Its totient is φ = 23949028800.

The previous prime is 28009018127. The next prime is 28009018171. The reversal of 28009018163 is 36181090082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28009018163 - 2²⁶ = 27941909299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28009018183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4888688 + ... + 4894413.

It is an arithmetic number, because the mean of its divisors is an integer number (4011071820).

Almost surely, 2^28009018163 is an apocalyptic number.

28009018163 is a deficient number, since it is larger than the sum of its proper divisors (4079556397).

28009018163 is an equidigital number, since it uses as much as digits as its factorization.

28009018163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783517.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 28009018163 in words is "twenty-eight billion, nine million, eighteen thousand, one hundred sixty-three".