1066603044 has 24 divisors (see below), whose sum is σ = 2680182400. Its totient is φ = 328185504.

The previous prime is 1066602991. The next prime is 1066603063. The reversal of 1066603044 is 4403066601.

It is a super-2 number, since 2×1066603044² = 2275284106940131872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3418444 + ... + 3418755.

Almost surely, 2^1066603044 is an apocalyptic number.

It is an amenable number.

1066603044 is an abundant number, since it is smaller than the sum of its proper divisors (1613579356).

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

1066603044 is a wasteful number, since it uses less digits than its factorization.

1066603044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837219 (or 6837217 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1066603044 is about 32658.8892034007. The cubic root of 1066603044 is about 1021.7255950168.

Adding to 1066603044 its reverse (4403066601), we get a palindrome (5469669645).

The spelling of 1066603044 in words is "one billion, sixty-six million, six hundred three thousand, forty-four".