28573144573016 has 8 divisors (see below), whose sum is σ = 53574646074420. Its totient is φ = 14286572286504.

The previous prime is 28573144573013. The next prime is 28573144573027. The reversal of 28573144573016 is 61037544137582.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28573144573013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785821535806 + ... + 1785821535821.

Almost surely, 2^{28573144573016} is an apocalyptic number.

It is an amenable number.

28573144573016 is a deficient number, since it is larger than the sum of its proper divisors (25001501501404).

28573144573016 is a wasteful number, since it uses less digits than its factorization.

28573144573016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571643071633 (or 3571643071629 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 28573144573016 in words is "twenty-eight trillion, five hundred seventy-three billion, one hundred forty-four million, five hundred seventy-three thousand, sixteen".