16671162768 has 40 divisors (see below), whose sum is σ = 46380031488. Its totient is φ = 5129588352.

The previous prime is 16671162757. The next prime is 16671162791. The reversal of 16671162768 is 86726117661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16671162768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13357680 + ... + 13358927.

Almost surely, 2^16671162768 is an apocalyptic number.

It is an amenable number.

16671162768 is an abundant number, since it is smaller than the sum of its proper divisors (29708868720).

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

16671162768 is a wasteful number, since it uses less digits than its factorization.

16671162768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26716631 (or 26716625 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The spelling of 16671162768 in words is "sixteen billion, six hundred seventy-one million, one hundred sixty-two thousand, seven hundred sixty-eight".