6644106152 has 16 divisors (see below), whose sum is σ = 12459218100. Its totient is φ = 3321648000.

The previous prime is 6644106149. The next prime is 6644106173. The reversal of 6644106152 is 2516014466.

It can be written as a sum of positive squares in 2 ways, for example, as 5345656996 + 1298449156 = 73114^2 + 36034^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25874 + ... + 118142.

Almost surely, 2^6644106152 is an apocalyptic number.

It is an amenable number.

6644106152 is a deficient number, since it is larger than the sum of its proper divisors (5815111948).

6644106152 is a wasteful number, since it uses less digits than its factorization.

6644106152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101276 (or 101272 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6644106152 is about 81511.3866401499. The cubic root of 6644106152 is about 1879.9466327087.

The spelling of 6644106152 in words is "six billion, six hundred forty-four million, one hundred six thousand, one hundred fifty-two".