10566981322 has 8 divisors (see below), whose sum is σ = 16110315972. Its totient is φ = 5196876000.

The previous prime is 10566981311. The next prime is 10566981389. The reversal of 10566981322 is 22318966501.

It can be written as a sum of positive squares in 2 ways, for example, as 10444635601 + 122345721 = 102199^2 + 11061^2 .

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

It is a super-2 number, since 2×10566981322² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43307179 + ... + 43307422.

Almost surely, 2^10566981322 is an apocalyptic number.

10566981322 is a deficient number, since it is larger than the sum of its proper divisors (5543334650).

10566981322 is an equidigital number, since it uses as much as digits as its factorization.

10566981322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86614664.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 10566981322 in words is "ten billion, five hundred sixty-six million, nine hundred eighty-one thousand, three hundred twenty-two".