16676840507 has 4 divisors (see below), whose sum is σ = 17214803136. Its totient is φ = 16138877880.

The previous prime is 16676840501. The next prime is 16676840563. The reversal of 16676840507 is 70504867661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16676840507 - 2⁶ = 16676840443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16676840501) 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, 268981268 + ... + 268981329.

It is an arithmetic number, because the mean of its divisors is an integer number (4303700784).

Almost surely, 2^16676840507 is an apocalyptic number.

16676840507 is a deficient number, since it is larger than the sum of its proper divisors (537962629).

16676840507 is an equidigital number, since it uses as much as digits as its factorization.

16676840507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537962628.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 16676840507 in words is "sixteen billion, six hundred seventy-six million, eight hundred forty thousand, five hundred seven".