16286643662 has 16 divisors (see below), whose sum is σ = 25462874112. Its totient is φ = 7804119960.

The previous prime is 16286643623. The next prime is 16286643673. The reversal of 16286643662 is 26634668261.

It is a self number, because there is not a number n which added to its sum of digits gives 16286643662.

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 7 ways as a sum of consecutive naturals, for example, 1268798 + ... + 1281569.

It is an arithmetic number, because the mean of its divisors is an integer number (1591429632).

Almost surely, 2^16286643662 is an apocalyptic number.

16286643662 is a deficient number, since it is larger than the sum of its proper divisors (9176230450).

16286643662 is a wasteful number, since it uses less digits than its factorization.

16286643662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550503.

The product of its digits is 2985984, while the sum is 50.

The spelling of 16286643662 in words is "sixteen billion, two hundred eighty-six million, six hundred forty-three thousand, six hundred sixty-two".