16806919579 has 8 divisors (see below), whose sum is σ = 17490584160. Its totient is φ = 16130196096.

The previous prime is 16806919541. The next prime is 16806919603. The reversal of 16806919579 is 97591960861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16806919579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16806919279) 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, 1730334 + ... + 1740019.

It is an arithmetic number, because the mean of its divisors is an integer number (2186323020).

Almost surely, 2^16806919579 is an apocalyptic number.

16806919579 is a deficient number, since it is larger than the sum of its proper divisors (683664581).

16806919579 is a wasteful number, since it uses less digits than its factorization.

16806919579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470549.

The product of its (nonzero) digits is 7348320, while the sum is 61.

The spelling of 16806919579 in words is "sixteen billion, eight hundred six million, nine hundred nineteen thousand, five hundred seventy-nine".