28112660116 has 12 divisors (see below), whose sum is σ = 49430318560. Its totient is φ = 13989711960.

The previous prime is 28112660111. The next prime is 28112660119. The reversal of 28112660116 is 61106621182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112660111) 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, 16653576 + ... + 16655263.

Almost surely, 2^28112660116 is an apocalyptic number.

It is an amenable number.

28112660116 is a deficient number, since it is larger than the sum of its proper divisors (21317658444).

28112660116 is a wasteful number, since it uses less digits than its factorization.

28112660116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33309054 (or 33309052 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 28112660116 in words is "twenty-eight billion, one hundred twelve million, six hundred sixty thousand, one hundred sixteen".