16683674485 has 16 divisors (see below), whose sum is σ = 20073672432. Its totient is φ = 13311475200.

The previous prime is 16683674479. The next prime is 16683674537. The reversal of 16683674485 is 58447638661.

It can be written as a sum of positive squares in 8 ways, for example, as 806162449 + 15877512036 = 28393^2 + 126006^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16683674485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6006417 + ... + 6009193.

It is an arithmetic number, because the mean of its divisors is an integer number (1254604527).

Almost surely, 2^16683674485 is an apocalyptic number.

It is an amenable number.

16683674485 is a deficient number, since it is larger than the sum of its proper divisors (3389997947).

16683674485 is a wasteful number, since it uses less digits than its factorization.

16683674485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544.

The product of its digits is 23224320, while the sum is 58.

The spelling of 16683674485 in words is "sixteen billion, six hundred eighty-three million, six hundred seventy-four thousand, four hundred eighty-five".