2266791566 has 8 divisors (see below), whose sum is σ = 3661740264. Its totient is φ = 1046211480.

The previous prime is 2266791557. The next prime is 2266791587. The reversal of 2266791566 is 6651976622.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43592120 + ... + 43592171.

It is an arithmetic number, because the mean of its divisors is an integer number (457717533).

Almost surely, 2^2266791566 is an apocalyptic number.

2266791566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2266791566 is a deficient number, since it is larger than the sum of its proper divisors (1394948698).

2266791566 is a wasteful number, since it uses less digits than its factorization.

2266791566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87184306.

The product of its digits is 1632960, while the sum is 50.

The square root of 2266791566 is about 47610.8345442505. The cubic root of 2266791566 is about 1313.6223513108.

The spelling of 2266791566 in words is "two billion, two hundred sixty-six million, seven hundred ninety-one thousand, five hundred sixty-six".