16606511679 has 8 divisors (see below), whose sum is σ = 22145464240. Its totient is φ = 11069283456.

The previous prime is 16606511633. The next prime is 16606511683. The reversal of 16606511679 is 97611560661.

It is a happy number.

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

It is not a de Polignac number, because 16606511679 - 2¹¹ = 16606509631 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 (16606516679) 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, 408442 + ... + 447255.

It is an arithmetic number, because the mean of its divisors is an integer number (2768183030).

Almost surely, 2^16606511679 is an apocalyptic number.

16606511679 is a deficient number, since it is larger than the sum of its proper divisors (5538952561).

16606511679 is an equidigital number, since it uses as much as digits as its factorization.

16606511679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862169.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 16606511679 in words is "sixteen billion, six hundred six million, five hundred eleven thousand, six hundred seventy-nine".