16000028000013 has 8 divisors (see below), whose sum is σ = 21333389293888. Its totient is φ = 10666676019744.

The previous prime is 16000028000003. The next prime is 16000028000027. The reversal of 16000028000013 is 31000082000061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16000028000013 - 2⁴ = 16000027999997 is a prime.

It is the 4000004-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000028000003) by changing a digit.

It is a nontrivial repunit in base 4000003.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4782120 + ... + 7407342.

It is an arithmetic number, because the mean of its divisors is an integer number (2666673661736).

Almost surely, 2^{16000028000013} is an apocalyptic number.

It is an amenable number.

16000028000013 is a deficient number, since it is larger than the sum of its proper divisors (5333361293875).

16000028000013 is a wasteful number, since it uses less digits than its factorization.

16000028000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656803.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 16000028000013 in words is "sixteen trillion, twenty-eight million, thirteen", and thus it is an aban number and an uban number.