16683049087 has 4 divisors (see below), whose sum is σ = 16911584080. Its totient is φ = 16454514096.

The previous prime is 16683049073. The next prime is 16683049181. The reversal of 16683049087 is 78094038661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78094038661 = 4657 ⋅16769173.

It is a cyclic number.

It is not a de Polignac number, because 16683049087 - 2¹¹ = 16683047039 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 (16683049067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114267387 + ... + 114267532.

It is an arithmetic number, because the mean of its divisors is an integer number (4227896020).

Almost surely, 2^16683049087 is an apocalyptic number.

16683049087 is a deficient number, since it is larger than the sum of its proper divisors (228534993).

16683049087 is an equidigital number, since it uses as much as digits as its factorization.

16683049087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228534992.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 16683049087 in words is "sixteen billion, six hundred eighty-three million, forty-nine thousand, eighty-seven".