4226556706566 has 32 divisors (see below), whose sum is σ = 8474191941600. Its totient is φ = 1405341127680.

The previous prime is 4226556706553. The next prime is 4226556706579. The reversal of 4226556706566 is 6656076556224.

It is an interprime number because it is at equal distance from previous prime (4226556706553) and next prime (4226556706579).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8353750 + ... + 8845238.

It is an arithmetic number, because the mean of its divisors is an integer number (264818498175).

Almost surely, 2^{4226556706566} is an apocalyptic number.

4226556706566 is an abundant number, since it is smaller than the sum of its proper divisors (4247635235034).

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

4226556706566 is a wasteful number, since it uses less digits than its factorization.

4226556706566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495064.

The product of its (nonzero) digits is 108864000, while the sum is 60.

The spelling of 4226556706566 in words is "four trillion, two hundred twenty-six billion, five hundred fifty-six million, seven hundred six thousand, five hundred sixty-six".