6605956769 has 8 divisors (see below), whose sum is σ = 6636046560. Its totient is φ = 6575889600.

The previous prime is 6605956757. The next prime is 6605956787. The reversal of 6605956769 is 9676595066.

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

It is a cyclic number.

It is not a de Polignac number, because 6605956769 - 2¹² = 6605952673 is a prime.

It is a super-2 number, since 2×6605956769² = 87277329667793838722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6605956069) 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, 897434 + ... + 904764.

It is an arithmetic number, because the mean of its divisors is an integer number (829505820).

Almost surely, 2^6605956769 is an apocalyptic number.

It is an amenable number.

6605956769 is a deficient number, since it is larger than the sum of its proper divisors (30089791).

6605956769 is a wasteful number, since it uses less digits than its factorization.

6605956769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311.

The product of its (nonzero) digits is 18370800, while the sum is 59.

The square root of 6605956769 is about 81277.0371568748. The cubic root of 6605956769 is about 1876.3416075460.

The spelling of 6605956769 in words is "six billion, six hundred five million, nine hundred fifty-six thousand, seven hundred sixty-nine".