1073260666 has 8 divisors (see below), whose sum is σ = 1624138164. Its totient is φ = 531881280.

The previous prime is 1073260631. The next prime is 1073260667. The reversal of 1073260666 is 6660623701.

It can be written as a sum of positive squares in 2 ways, for example, as 1070271225 + 2989441 = 32715^2 + 1729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1073260667) by changing a digit.

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, 2374245 + ... + 2374696.

Almost surely, 2^1073260666 is an apocalyptic number.

1073260666 is a deficient number, since it is larger than the sum of its proper divisors (550877498).

1073260666 is a wasteful number, since it uses less digits than its factorization.

1073260666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749056.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 1073260666 is about 32760.6572888885. The cubic root of 1073260666 is about 1023.8470211382.

The spelling of 1073260666 in words is "one billion, seventy-three million, two hundred sixty thousand, six hundred sixty-six".