6764901666 has 16 divisors (see below), whose sum is σ = 13817672064. Its totient is φ = 2206989104.

The previous prime is 6764901643. The next prime is 6764901667. The reversal of 6764901666 is 6661094676.

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 a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6764901667) 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, 11994225 + ... + 11994788.

It is an arithmetic number, because the mean of its divisors is an integer number (863604504).

Almost surely, 2^6764901666 is an apocalyptic number.

6764901666 is an abundant number, since it is smaller than the sum of its proper divisors (7052770398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6764901666 is a wasteful number, since it uses less digits than its factorization.

6764901666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23989065.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 6764901666 is about 82249.0222799031. The cubic root of 6764901666 is about 1891.2712876877.

The spelling of 6764901666 in words is "six billion, seven hundred sixty-four million, nine hundred one thousand, six hundred sixty-six".