6662714566 has 16 divisors (see below), whose sum is σ = 10430337024. Its totient is φ = 3185983944.

The previous prime is 6662714549. The next prime is 6662714581. The reversal of 6662714566 is 6654172666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498811 + ... + 511993.

It is an arithmetic number, because the mean of its divisors is an integer number (651896064).

Almost surely, 2^6662714566 is an apocalyptic number.

6662714566 is a deficient number, since it is larger than the sum of its proper divisors (3767622458).

6662714566 is a wasteful number, since it uses less digits than its factorization.

6662714566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24195.

The product of its digits is 2177280, while the sum is 49.

The square root of 6662714566 is about 81625.4529298307. The cubic root of 6662714566 is about 1881.7000773355.

The spelling of 6662714566 in words is "six billion, six hundred sixty-two million, seven hundred fourteen thousand, five hundred sixty-six".