16697409643468 has 24 divisors (see below), whose sum is σ = 29459425587200. Its totient is φ = 8280470531088.

The previous prime is 16697409643457. The next prime is 16697409643493. The reversal of 16697409643468 is 86434690479661.

It is a super-3 number, since 3×16697409643468³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16697409643468.

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, 3265578 + ... + 6637681.

Almost surely, 2^{16697409643468} is an apocalyptic number.

It is an amenable number.

16697409643468 is a deficient number, since it is larger than the sum of its proper divisors (12762015943732).

16697409643468 is a wasteful number, since it uses less digits than its factorization.

16697409643468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906709 (or 9906707 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 73.

The spelling of 16697409643468 in words is "sixteen trillion, six hundred ninety-seven billion, four hundred nine million, six hundred forty-three thousand, four hundred sixty-eight".