28364999166 has 36 divisors (see below), whose sum is σ = 71491377672. Its totient is φ = 8104285224.

The previous prime is 28364999161. The next prime is 28364999183. The reversal of 28364999166 is 66199946382.

28364999166 is a `hidden beast` number, since 2 + 83 + 6 + 499 + 9 + 1 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28364999161) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16079050 + ... + 16080813.

It is an arithmetic number, because the mean of its divisors is an integer number (1985871602).

Almost surely, 2^28364999166 is an apocalyptic number.

28364999166 is an abundant number, since it is smaller than the sum of its proper divisors (43126378506).

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

28364999166 is a wasteful number, since it uses less digits than its factorization.

28364999166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32159885 (or 32159875 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 28364999166 in words is "twenty-eight billion, three hundred sixty-four million, nine hundred ninety-nine thousand, one hundred sixty-six".