6661441514 has 24 divisors (see below), whose sum is σ = 12517656228. Its totient is φ = 2635295040.

The previous prime is 6661441511. The next prime is 6661441519. The reversal of 6661441514 is 4151441666.

It can be written as a sum of positive squares in 2 ways, for example, as 6497166025 + 164275489 = 80605^2 + 12817^2 .

It is a super-2 number, since 2×6661441514² = 88749606088885224392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6661441511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2613107 + ... + 2615654.

Almost surely, 2^6661441514 is an apocalyptic number.

6661441514 is a deficient number, since it is larger than the sum of its proper divisors (5856214714).

6661441514 is a wasteful number, since it uses less digits than its factorization.

6661441514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228790 (or 5228783 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 6661441514 is about 81617.6544259880. The cubic root of 6661441514 is about 1881.5802235527.

The spelling of 6661441514 in words is "six billion, six hundred sixty-one million, four hundred forty-one thousand, five hundred fourteen".