6766605490 has 8 divisors (see below), whose sum is σ = 12179889900. Its totient is φ = 2706642192.

The previous prime is 6766605481. The next prime is 6766605491. The reversal of 6766605490 is 945066676.

It can be written as a sum of positive squares in 2 ways, for example, as 6205815729 + 560789761 = 78777^2 + 23681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6766605491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338330265 + ... + 338330284.

Almost surely, 2^6766605490 is an apocalyptic number.

6766605490 is a deficient number, since it is larger than the sum of its proper divisors (5413284410).

6766605490 is a wasteful number, since it uses less digits than its factorization.

6766605490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676660556.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 6766605490 is about 82259.3793436347. The cubic root of 6766605490 is about 1891.4300543668.

The spelling of 6766605490 in words is "six billion, seven hundred sixty-six million, six hundred five thousand, four hundred ninety".