16867016661 has 32 divisors (see below), whose sum is σ = 25932487680. Its totient is φ = 9644140800.

The previous prime is 16867016659. The next prime is 16867016669. The reversal of 16867016661 is 16661076861.

It is not a de Polignac number, because 16867016661 - 2¹ = 16867016659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16867016661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16867016669) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 95296 + ... + 206918.

It is an arithmetic number, because the mean of its divisors is an integer number (810390240).

Almost surely, 2^16867016661 is an apocalyptic number.

16867016661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16867016661 is a deficient number, since it is larger than the sum of its proper divisors (9065471019).

16867016661 is a wasteful number, since it uses less digits than its factorization.

16867016661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111897.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 16867016661 in words is "sixteen billion, eight hundred sixty-seven million, sixteen thousand, six hundred sixty-one".