660506020606 has 16 divisors (see below), whose sum is σ = 1023164461440. Its totient is φ = 319460480640.

The previous prime is 660506020583. The next prime is 660506020639. The reversal of 660506020606 is 606020605066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176551 + ... + 2461378.

It is an arithmetic number, because the mean of its divisors is an integer number (63947778840).

Almost surely, 2^660506020606 is an apocalyptic number.

660506020606 is a deficient number, since it is larger than the sum of its proper divisors (362658440834).

660506020606 is a wasteful number, since it uses less digits than its factorization.

660506020606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640259.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 660506020606 in words is "six hundred sixty billion, five hundred six million, twenty thousand, six hundred six".