6606643773 has 16 divisors (see below), whose sum is σ = 9055642176. Its totient is φ = 4281797760.

The previous prime is 6606643723. The next prime is 6606643781. The reversal of 6606643773 is 3773466066.

It is not a de Polignac number, because 6606643773 - 2¹⁷ = 6606512701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606643723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60090 + ... + 129707.

It is an arithmetic number, because the mean of its divisors is an integer number (565977636).

Almost surely, 2^6606643773 is an apocalyptic number.

It is an amenable number.

6606643773 is a deficient number, since it is larger than the sum of its proper divisors (2448998403).

6606643773 is a wasteful number, since it uses less digits than its factorization.

6606643773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190124.

The product of its (nonzero) digits is 2286144, while the sum is 48.

The square root of 6606643773 is about 81281.2633575537. The cubic root of 6606643773 is about 1876.4066503325.

The spelling of 6606643773 in words is "six billion, six hundred six million, six hundred forty-three thousand, seven hundred seventy-three".