2768212566 has 36 divisors (see below), whose sum is σ = 6977027772. Its totient is φ = 790917624.

The previous prime is 2768212511. The next prime is 2768212567. The reversal of 2768212566 is 6652128672.

2768212566 is a `hidden beast` number, since 2 + 7 + 6 + 82 + 1 + 2 + 566 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768212567) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1568400 + ... + 1570163.

It is an arithmetic number, because the mean of its divisors is an integer number (193806327).

Almost surely, 2^2768212566 is an apocalyptic number.

2768212566 is an abundant number, since it is smaller than the sum of its proper divisors (4208815206).

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

2768212566 is a wasteful number, since it uses less digits than its factorization.

2768212566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138585 (or 3138575 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2768212566 is about 52613.8058497957. The cubic root of 2768212566 is about 1404.1057308302.

The spelling of 2768212566 in words is "two billion, seven hundred sixty-eight million, two hundred twelve thousand, five hundred sixty-six".