643310006116 has 12 divisors (see below), whose sum is σ = 1126054535788. Its totient is φ = 321580138752.

The previous prime is 643310006099. The next prime is 643310006147. The reversal of 643310006116 is 611600013346.

It can be written as a sum of positive squares in 2 ways, for example, as 307918449216 + 335391556900 = 554904^2 + 579130^2 .

It is a super-3 number, since 3×643310006116³ (a number of 36 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 18696741 + ... + 18731116.

Almost surely, 2^643310006116 is an apocalyptic number.

It is an amenable number.

643310006116 is a deficient number, since it is larger than the sum of its proper divisors (482744529672).

643310006116 is a wasteful number, since it uses less digits than its factorization.

643310006116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37432158 (or 37432156 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 643310006116 in words is "six hundred forty-three billion, three hundred ten million, six thousand, one hundred sixteen".