5566721262 has 32 divisors (see below), whose sum is σ = 11700281472. Its totient is φ = 1763433504.

The previous prime is 5566721221. The next prime is 5566721267. The reversal of 5566721262 is 2621276655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566721267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282028 + ... + 301119.

It is an arithmetic number, because the mean of its divisors is an integer number (365633796).

Almost surely, 2^5566721262 is an apocalyptic number.

5566721262 is an abundant number, since it is smaller than the sum of its proper divisors (6133560210).

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

5566721262 is a wasteful number, since it uses less digits than its factorization.

5566721262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583232.

The product of its digits is 302400, while the sum is 42.

The square root of 5566721262 is about 74610.4634887091. The cubic root of 5566721262 is about 1772.2833546452.

The spelling of 5566721262 in words is "five billion, five hundred sixty-six million, seven hundred twenty-one thousand, two hundred sixty-two".