6446612330 has 16 divisors (see below), whose sum is σ = 12286485000. Its totient is φ = 2426959872.

The previous prime is 6446612321. The next prime is 6446612351. The reversal of 6446612330 is 332166446.

It can be written as a sum of positive squares in 4 ways, for example, as 6446002369 + 609961 = 80287^2 + 781^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 18960455 + ... + 18960794.

Almost surely, 2^6446612330 is an apocalyptic number.

6446612330 is a deficient number, since it is larger than the sum of its proper divisors (5839872670).

6446612330 is a wasteful number, since it uses less digits than its factorization.

6446612330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37921273.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 6446612330 is about 80290.7985388114. The cubic root of 6446612330 is about 1861.1320362417.

Adding to 6446612330 its reverse (332166446), we get a palindrome (6778778776).

The spelling of 6446612330 in words is "six billion, four hundred forty-six million, six hundred twelve thousand, three hundred thirty".