1066604564 has 12 divisors (see below), whose sum is σ = 1866787104. Its totient is φ = 533236824.

The previous prime is 1066604549. The next prime is 1066604593. The reversal of 1066604564 is 4654066601.

It is a super-2 number, since 2×1066604564² = 2275290591891260192, which contains 22 as substring.

It is a congruent number.

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, 52427 + ... + 69869.

It is an arithmetic number, because the mean of its divisors is an integer number (155565592).

Almost surely, 2^1066604564 is an apocalyptic number.

It is an amenable number.

1066604564 is a deficient number, since it is larger than the sum of its proper divisors (800182540).

1066604564 is a wasteful number, since it uses less digits than its factorization.

1066604564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32734 (or 32732 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1066604564 is about 32658.9124742389. The cubic root of 1066604564 is about 1021.7260803652.

The spelling of 1066604564 in words is "one billion, sixty-six million, six hundred four thousand, five hundred sixty-four".