16872571868 has 6 divisors (see below), whose sum is σ = 29527000776. Its totient is φ = 8436285932.

The previous prime is 16872571801. The next prime is 16872571871. The reversal of 16872571868 is 86817527861.

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, 2109071480 + ... + 2109071487.

It is an arithmetic number, because the mean of its divisors is an integer number (4921166796).

Almost surely, 2^16872571868 is an apocalyptic number.

It is an amenable number.

16872571868 is a deficient number, since it is larger than the sum of its proper divisors (12654428908).

16872571868 is a wasteful number, since it uses less digits than its factorization.

16872571868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218142971 (or 4218142969 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 59.

The spelling of 16872571868 in words is "sixteen billion, eight hundred seventy-two million, five hundred seventy-one thousand, eight hundred sixty-eight".