3365660643 has 8 divisors (see below), whose sum is σ = 4572218448. Its totient is φ = 2201438304.

The previous prime is 3365660549. The next prime is 3365660671. The reversal of 3365660643 is 3460665633.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3365660643 - 2⁸ = 3365660387 is a prime.

It is a super-2 number, since 2×3365660643² = 22655343127678346898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3365660595 and 3365660604.

It is not an unprimeable number, because it can be changed into a prime (3365660443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10583680 + ... + 10583997.

It is an arithmetic number, because the mean of its divisors is an integer number (571527306).

Almost surely, 2^3365660643 is an apocalyptic number.

3365660643 is a deficient number, since it is larger than the sum of its proper divisors (1206557805).

3365660643 is a wasteful number, since it uses less digits than its factorization.

3365660643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167733.

The product of its (nonzero) digits is 699840, while the sum is 42.

The square root of 3365660643 is about 58014.3141216028. The cubic root of 3365660643 is about 1498.6151133417.

The spelling of 3365660643 in words is "three billion, three hundred sixty-five million, six hundred sixty thousand, six hundred forty-three".