28168094201 has 8 divisors (see below), whose sum is σ = 30385521600. Its totient is φ = 25957902672.

The previous prime is 28168094183. The next prime is 28168094209. The reversal of 28168094201 is 10249086182.

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

It is a de Polignac number, because none of the positive numbers 2^k-28168094201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28168094209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800875 + ... + 1816448.

It is an arithmetic number, because the mean of its divisors is an integer number (3798190200).

Almost surely, 2^28168094201 is an apocalyptic number.

It is an amenable number.

28168094201 is a deficient number, since it is larger than the sum of its proper divisors (2217427399).

28168094201 is a wasteful number, since it uses less digits than its factorization.

28168094201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617935.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 28168094201 in words is "twenty-eight billion, one hundred sixty-eight million, ninety-four thousand, two hundred one".