28163711167964 has 12 divisors (see below), whose sum is σ = 49286734677600. Its totient is φ = 14081786974368.

The previous prime is 28163711167901. The next prime is 28163711167967. The reversal of 28163711167964 is 46976111736182.

It is a junction number, because it is equal to n+sod(n) for n = 28163711167897 and 28163711167906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28163711167967) 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, 16223204 + ... + 17875115.

It is an arithmetic number, because the mean of its divisors is an integer number (4107227889800).

Almost surely, 2^{28163711167964} is an apocalyptic number.

It is an amenable number.

28163711167964 is a deficient number, since it is larger than the sum of its proper divisors (21123023509636).

28163711167964 is a wasteful number, since it uses less digits than its factorization.

28163711167964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34304812 (or 34304810 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 62.

The spelling of 28163711167964 in words is "twenty-eight trillion, one hundred sixty-three billion, seven hundred eleven million, one hundred sixty-seven thousand, nine hundred sixty-four".