28604242164 has 12 divisors (see below), whose sum is σ = 66743231744. Its totient is φ = 9534747384.

The previous prime is 28604242157. The next prime is 28604242181. The reversal of 28604242164 is 46124240682.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1191843412 + ... + 1191843435.

Almost surely, 2^28604242164 is an apocalyptic number.

It is an amenable number.

28604242164 is an abundant number, since it is smaller than the sum of its proper divisors (38138989580).

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

28604242164 is a wasteful number, since it uses less digits than its factorization.

28604242164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383686854 (or 2383686852 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 28604242164 in words is "twenty-eight billion, six hundred four million, two hundred forty-two thousand, one hundred sixty-four".