16606560671 has 16 divisors (see below), whose sum is σ = 18247645440. Its totient is φ = 15042709440.

The previous prime is 16606560647. The next prime is 16606560679. The reversal of 16606560671 is 17606560661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16606560671 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 (16606560679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467491 + ... + 1478763.

It is an arithmetic number, because the mean of its divisors is an integer number (1140477840).

Almost surely, 2^16606560671 is an apocalyptic number.

16606560671 is a deficient number, since it is larger than the sum of its proper divisors (1641084769).

16606560671 is a wasteful number, since it uses less digits than its factorization.

16606560671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14686.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 16606560671 in words is "sixteen billion, six hundred six million, five hundred sixty thousand, six hundred seventy-one".