1066644332 has 12 divisors (see below), whose sum is σ = 2010214416. Its totient is φ = 492297360.

The previous prime is 1066644323. The next prime is 1066644407. The reversal of 1066644332 is 2334466601.

It is a super-2 number, since 2×1066644332² = 2275460261975452448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066644292 and 1066644301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10256144 + ... + 10256247.

It is an arithmetic number, because the mean of its divisors is an integer number (167517868).

Almost surely, 2^1066644332 is an apocalyptic number.

It is an amenable number.

1066644332 is a deficient number, since it is larger than the sum of its proper divisors (943570084).

1066644332 is a wasteful number, since it uses less digits than its factorization.

1066644332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20512408 (or 20512406 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 1066644332 is about 32659.5213069635. The cubic root of 1066644332 is about 1021.7387784476.

The spelling of 1066644332 in words is "one billion, sixty-six million, six hundred forty-four thousand, three hundred thirty-two".