1066644232 has 16 divisors (see below), whose sum is σ = 2006788140. Its totient is φ = 531500736.

The previous prime is 1066644223. The next prime is 1066644269. The reversal of 1066644232 is 2324466601.

It can be written as a sum of positive squares in 2 ways, for example, as 952709956 + 113934276 = 30866^2 + 10674^2 .

It is a super-2 number, since 2×1066644232² = 2275459835317739648, which 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, 225183 + ... + 229870.

Almost surely, 2^1066644232 is an apocalyptic number.

It is an amenable number.

1066644232 is a deficient number, since it is larger than the sum of its proper divisors (940143908).

1066644232 is a wasteful number, since it uses less digits than its factorization.

1066644232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455352 (or 455348 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 1066644232 is about 32659.5197760163. The cubic root of 1066644232 is about 1021.7387465176.

The spelling of 1066644232 in words is "one billion, sixty-six million, six hundred forty-four thousand, two hundred thirty-two".