1066798323 has 16 divisors (see below), whose sum is σ = 1581793440. Its totient is φ = 710590752.

The previous prime is 1066798307. The next prime is 1066798387. The reversal of 1066798323 is 3238976601.

It is not a de Polignac number, because 1066798323 - 2⁴ = 1066798307 is a prime.

It is a super-2 number, since 2×1066798323² = 2276117323911224658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066798303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16465 + ... + 49037.

It is an arithmetic number, because the mean of its divisors is an integer number (98862090).

Almost surely, 2^1066798323 is an apocalyptic number.

1066798323 is a deficient number, since it is larger than the sum of its proper divisors (514995117).

1066798323 is a wasteful number, since it uses less digits than its factorization.

1066798323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33795 (or 33789 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1066798323 is about 32661.8787426566. The cubic root of 1066798323 is about 1021.7879454162.

The spelling of 1066798323 in words is "one billion, sixty-six million, seven hundred ninety-eight thousand, three hundred twenty-three".