28036664918016 has 304 divisors, whose sum is σ = 76357997539200. Its totient is φ = 9148481667072.

The previous prime is 28036664917997. The next prime is 28036664918023. The reversal of 28036664918016 is 61081946663082.

It is a super-3 number, since 3×28036664918016³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7209220200 + ... + 7209224088.

Almost surely, 2^{28036664918016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28036664918016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38178998769600).

28036664918016 is an abundant number, since it is smaller than the sum of its proper divisors (48321332621184).

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

28036664918016 is an frugal number, since it uses more digits than its factorization.

28036664918016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 28036664918016 in words is "twenty-eight trillion, thirty-six billion, six hundred sixty-four million, nine hundred eighteen thousand, sixteen".