16990282687 has 12 divisors (see below), whose sum is σ = 20099196360. Its totient is φ = 14316264816.

The previous prime is 16990282649. The next prime is 16990282741. The reversal of 16990282687 is 78628209961.

It is not a de Polignac number, because 16990282687 - 2¹⁹ = 16989758399 is a prime.

It is a super-3 number, since 3×16990282687³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16990282637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2935588 + ... + 2941369.

It is an arithmetic number, because the mean of its divisors is an integer number (1674933030).

Almost surely, 2^16990282687 is an apocalyptic number.

16990282687 is a deficient number, since it is larger than the sum of its proper divisors (3108913673).

16990282687 is an equidigital number, since it uses as much as digits as its factorization.

16990282687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877030 (or 5877023 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 16990282687 in words is "sixteen billion, nine hundred ninety million, two hundred eighty-two thousand, six hundred eighty-seven".