6718066449 has 8 divisors (see below), whose sum is σ = 9049766880. Its totient is φ = 4432538496.

The previous prime is 6718066393. The next prime is 6718066469. The reversal of 6718066449 is 9446608176.

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

It is not a de Polignac number, because 6718066449 - 2²¹ = 6715969297 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6718066469) 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, 11542779 + ... + 11543360.

It is an arithmetic number, because the mean of its divisors is an integer number (1131220860).

Almost surely, 2^6718066449 is an apocalyptic number.

It is an amenable number.

6718066449 is a deficient number, since it is larger than the sum of its proper divisors (2331700431).

6718066449 is a wasteful number, since it uses less digits than its factorization.

6718066449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23086239.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 6718066449 is about 81963.8118257076. The cubic root of 6718066449 is about 1886.8965846477.

The spelling of 6718066449 in words is "six billion, seven hundred eighteen million, sixty-six thousand, four hundred forty-nine".