6643361114 has 32 divisors (see below), whose sum is σ = 10817078160. Its totient is φ = 3041805312.

The previous prime is 6643361059. The next prime is 6643361143. The reversal of 6643361114 is 4111633466.

It can be written as a sum of positive squares in 8 ways, for example, as 2519538025 + 4123823089 = 50195^2 + 64217^2 .

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 15 ways as a sum of consecutive naturals, for example, 4460882 + ... + 4462370.

Almost surely, 2^6643361114 is an apocalyptic number.

6643361114 is a deficient number, since it is larger than the sum of its proper divisors (4173717046).

6643361114 is a wasteful number, since it uses less digits than its factorization.

6643361114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754.

The product of its digits is 31104, while the sum is 35.

The square root of 6643361114 is about 81506.8163652587. The cubic root of 6643361114 is about 1879.8763607010.

The spelling of 6643361114 in words is "six billion, six hundred forty-three million, three hundred sixty-one thousand, one hundred fourteen".