28003149168 has 40 divisors (see below), whose sum is σ = 72415634448. Its totient is φ = 9324813312.

The previous prime is 28003149151. The next prime is 28003149193. The reversal of 28003149168 is 86194130082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251671 + ... + 345462.

Almost surely, 2^28003149168 is an apocalyptic number.

It is an amenable number.

28003149168 is an abundant number, since it is smaller than the sum of its proper divisors (44412485280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28003149168 is a wasteful number, since it uses less digits than its factorization.

28003149168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598121 (or 598115 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 28003149168 in words is "twenty-eight billion, three million, one hundred forty-nine thousand, one hundred sixty-eight".