16000028586 has 12 divisors (see below), whose sum is σ = 34666728642. Its totient is φ = 5333342856.

The previous prime is 16000028581. The next prime is 16000028593. The reversal of 16000028586 is 68582000061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8830172961 + 7169855625 = 93969^2 + 84675^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16000028586.

It is not an unprimeable number, because it can be changed into a prime (16000028581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444445221 + ... + 444445256.

Almost surely, 2^16000028586 is an apocalyptic number.

16000028586 is an abundant number, since it is smaller than the sum of its proper divisors (18666700056).

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

16000028586 is a wasteful number, since it uses less digits than its factorization.

16000028586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888890485 (or 888890482 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 16000028586 in words is "sixteen billion, twenty-eight thousand, five hundred eighty-six".