2215366050566 has 16 divisors (see below), whose sum is σ = 3439799239680. Its totient is φ = 1068965367240.

The previous prime is 2215366050563. The next prime is 2215366050577. The reversal of 2215366050566 is 6650506635122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215366050566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215366050563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49743356 + ... + 49787871.

It is an arithmetic number, because the mean of its divisors is an integer number (214987452480).

Almost surely, 2^{2215366050566} is an apocalyptic number.

2215366050566 is a deficient number, since it is larger than the sum of its proper divisors (1224433189114).

2215366050566 is a wasteful number, since it uses less digits than its factorization.

2215366050566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99531619.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 2215366050566 in words is "two trillion, two hundred fifteen billion, three hundred sixty-six million, fifty thousand, five hundred sixty-six".