1066645304 has 8 divisors (see below), whose sum is σ = 1999959960. Its totient is φ = 533322648.

The previous prime is 1066645291. The next prime is 1066645369. The reversal of 1066645304 is 4035466601.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1066645304² = 2275464409090504832, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 66665324 + ... + 66665339.

It is an arithmetic number, because the mean of its divisors is an integer number (249994995).

Almost surely, 2^1066645304 is an apocalyptic number.

It is an amenable number.

1066645304 is a deficient number, since it is larger than the sum of its proper divisors (933314656).

1066645304 is a wasteful number, since it uses less digits than its factorization.

1066645304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133330669 (or 133330665 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1066645304 is about 32659.5361877660. The cubic root of 1066645304 is about 1021.7390888071.

The spelling of 1066645304 in words is "one billion, sixty-six million, six hundred forty-five thousand, three hundred four".