1066646262 has 32 divisors (see below), whose sum is σ = 2331400320. Its totient is φ = 322646720.

The previous prime is 1066646227. The next prime is 1066646279. The reversal of 1066646262 is 2626466601.

It is a super-2 number, since 2×1066646262² = 2275468496477145288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066646262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23353 + ... + 51755.

It is an arithmetic number, because the mean of its divisors is an integer number (72856260).

Almost surely, 2^1066646262 is an apocalyptic number.

1066646262 is an abundant number, since it is smaller than the sum of its proper divisors (1264754058).

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

1066646262 is a wasteful number, since it uses less digits than its factorization.

1066646262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28988.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 1066646262 is about 32659.5508542295. The cubic root of 1066646262 is about 1021.7393946963.

The spelling of 1066646262 in words is "one billion, sixty-six million, six hundred forty-six thousand, two hundred sixty-two".