28601409168 has 60 divisors (see below), whose sum is σ = 81238938768. Its totient is φ = 9391504320.

The previous prime is 28601409163. The next prime is 28601409197. The reversal of 28601409168 is 86190410682.

28601409168 is a `hidden beast` number, since 2 + 86 + 0 + 1 + 409 + 168 = 666.

It is not an unprimeable number, because it can be changed into a prime (28601409163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1472598 + ... + 1491893.

Almost surely, 2^28601409168 is an apocalyptic number.

It is an amenable number.

28601409168 is an abundant number, since it is smaller than the sum of its proper divisors (52637529600).

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

28601409168 is a wasteful number, since it uses less digits than its factorization.

28601409168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964572 (or 2964563 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 28601409168 in words is "twenty-eight billion, six hundred one million, four hundred nine thousand, one hundred sixty-eight".