16687589846697 has 160 divisors (see below), whose sum is σ = 32487183489024. Its totient is φ = 8277558220800.

The previous prime is 16687589846693. The next prime is 16687589846747. The reversal of 16687589846697 is 79664898578661.

It is a happy number.

16687589846697 is a `hidden beast` number, since 1 + 6 + 6 + 8 + 7 + 58 + 9 + 8 + 466 + 97 = 666.

It is not a de Polignac number, because 16687589846697 - 2² = 16687589846693 is a prime.

It is a super-3 number, since 3×16687589846697³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16687589846693) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 82670422 + ... + 82872032.

Almost surely, 2^{16687589846697} is an apocalyptic number.

It is an amenable number.

16687589846697 is a deficient number, since it is larger than the sum of its proper divisors (15799593642327).

16687589846697 is a wasteful number, since it uses less digits than its factorization.

16687589846697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202241 (or 202232 counting only the distinct ones).

The product of its digits is 52672757760, while the sum is 90.

The spelling of 16687589846697 in words is "sixteen trillion, six hundred eighty-seven billion, five hundred eighty-nine million, eight hundred forty-six thousand, six hundred ninety-seven".