16297664468 has 12 divisors (see below), whose sum is σ = 28548583392. Its totient is φ = 8140926360.

The previous prime is 16297664443. The next prime is 16297664491. The reversal of 16297664468 is 86446679261.

It is a super-2 number, since 2×16297664468² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971830 + ... + 1980077.

It is an arithmetic number, because the mean of its divisors is an integer number (2379048616).

Almost surely, 2^16297664468 is an apocalyptic number.

It is an amenable number.

16297664468 is a deficient number, since it is larger than the sum of its proper divisors (12250918924).

16297664468 is a wasteful number, since it uses less digits than its factorization.

16297664468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952942 (or 3952940 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 59.

The spelling of 16297664468 in words is "sixteen billion, two hundred ninety-seven million, six hundred sixty-four thousand, four hundred sixty-eight".