1066644050 has 12 divisors (see below), whose sum is σ = 1983958026. Its totient is φ = 426657600.

The previous prime is 1066644049. The next prime is 1066644053. The reversal of 1066644050 is 504466601.

It can be written as a sum of positive squares in 3 ways, for example, as 1021633369 + 45010681 = 31963^2 + 6709^2 .

It is a super-2 number, since 2×1066644050² = 2275459058800805000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066643998 and 1066644016.

It is not an unprimeable number, because it can be changed into a prime (1066644053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10666391 + ... + 10666490.

Almost surely, 2^1066644050 is an apocalyptic number.

1066644050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066644050 is a deficient number, since it is larger than the sum of its proper divisors (917313976).

1066644050 is a wasteful number, since it uses less digits than its factorization.

1066644050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332893 (or 21332888 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1066644050 is about 32659.5169896923. The cubic root of 1066644050 is about 1021.7386884049.

The spelling of 1066644050 in words is "one billion, sixty-six million, six hundred forty-four thousand, fifty".