28168634014 has 16 divisors (see below), whose sum is σ = 45165405600. Its totient is φ = 13143370240.

The previous prime is 28168633967. The next prime is 28168634023. The reversal of 28168634014 is 41043686182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7465939 + ... + 7469710.

It is an arithmetic number, because the mean of its divisors is an integer number (2822837850).

Almost surely, 2^28168634014 is an apocalyptic number.

28168634014 is a deficient number, since it is larger than the sum of its proper divisors (16996771586).

28168634014 is a wasteful number, since it uses less digits than its factorization.

28168634014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14935715.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 28168634014 in words is "twenty-eight billion, one hundred sixty-eight million, six hundred thirty-four thousand, fourteen".