6641062612 has 6 divisors (see below), whose sum is σ = 11621859578. Its totient is φ = 3320531304.

The previous prime is 6641062601. The next prime is 6641062613. The reversal of 6641062612 is 2162601466.

It can be written as a sum of positive squares in only one way, i.e., 5609111236 + 1031951376 = 74894^2 + 32124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641062613) 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 as a sum of consecutive naturals, namely, 830132823 + ... + 830132830.

Almost surely, 2^6641062612 is an apocalyptic number.

It is an amenable number.

6641062612 is a deficient number, since it is larger than the sum of its proper divisors (4980796966).

6641062612 is a wasteful number, since it uses less digits than its factorization.

6641062612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660265657 (or 1660265655 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6641062612 is about 81492.7150854602. The cubic root of 6641062612 is about 1879.6595328073.

The spelling of 6641062612 in words is "six billion, six hundred forty-one million, sixty-two thousand, six hundred twelve".