16850003687 has 8 divisors (see below), whose sum is σ = 18382762512. Its totient is φ = 15317401600.

The previous prime is 16850003671. The next prime is 16850003689. The reversal of 16850003687 is 78630005861.

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 16850003687 - 2⁴ = 16850003671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16850003689) 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, 390887 + ... + 431847.

It is an arithmetic number, because the mean of its divisors is an integer number (2297845314).

Almost surely, 2^16850003687 is an apocalyptic number.

16850003687 is a deficient number, since it is larger than the sum of its proper divisors (1532758825).

16850003687 is a wasteful number, since it uses less digits than its factorization.

16850003687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78369.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 16850003687 in words is "sixteen billion, eight hundred fifty million, three thousand, six hundred eighty-seven".