1330006643 has 16 divisors (see below), whose sum is σ = 1532416704. Its totient is φ = 1130734080.

The previous prime is 1330006621. The next prime is 1330006651. The reversal of 1330006643 is 3466000331.

It is not a de Polignac number, because 1330006643 - 2⁸ = 1330006387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330006663) 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, 577871 + ... + 580167.

It is an arithmetic number, because the mean of its divisors is an integer number (95776044).

Almost surely, 2^1330006643 is an apocalyptic number.

1330006643 is a deficient number, since it is larger than the sum of its proper divisors (202410061).

1330006643 is a wasteful number, since it uses less digits than its factorization.

1330006643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 1330006643 is about 36469.2561344484. The cubic root of 1330006643 is about 1099.7262798280.

Adding to 1330006643 its reverse (3466000331), we get a palindrome (4796006974).

The spelling of 1330006643 in words is "one billion, three hundred thirty million, six thousand, six hundred forty-three".