16887654457 has 8 divisors (see below), whose sum is σ = 17446618112. Its totient is φ = 16329578400.

The previous prime is 16887654437. The next prime is 16887654479. The reversal of 16887654457 is 75445678861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16887654457 - 2²⁷ = 16753436729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16887654395 and 16887654404.

It is not an unprimeable number, because it can be changed into a prime (16887654437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183108 + ... + 259429.

It is an arithmetic number, because the mean of its divisors is an integer number (2180827264).

Almost surely, 2^16887654457 is an apocalyptic number.

It is an amenable number.

16887654457 is a deficient number, since it is larger than the sum of its proper divisors (558963655).

16887654457 is a wasteful number, since it uses less digits than its factorization.

16887654457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443799.

The product of its digits is 45158400, while the sum is 61.

The spelling of 16887654457 in words is "sixteen billion, eight hundred eighty-seven million, six hundred fifty-four thousand, four hundred fifty-seven".