16671264668 has 6 divisors (see below), whose sum is σ = 29174713176. Its totient is φ = 8335632332.

The previous prime is 16671264637. The next prime is 16671264683. The reversal of 16671264668 is 86646217661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083908080 + ... + 2083908087.

It is an arithmetic number, because the mean of its divisors is an integer number (4862452196).

Almost surely, 2^16671264668 is an apocalyptic number.

It is an amenable number.

16671264668 is a deficient number, since it is larger than the sum of its proper divisors (12503448508).

16671264668 is a wasteful number, since it uses less digits than its factorization.

16671264668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167816171 (or 4167816169 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The spelling of 16671264668 in words is "sixteen billion, six hundred seventy-one million, two hundred sixty-four thousand, six hundred sixty-eight".