606253220666 has 16 divisors (see below), whose sum is σ = 910130836608. Its totient is φ = 302876340000.

The previous prime is 606253220653. The next prime is 606253220681. The reversal of 606253220666 is 666022352606.

It is a happy 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, 28317566 + ... + 28338966.

It is an arithmetic number, because the mean of its divisors is an integer number (56883177288).

Almost surely, 2^606253220666 is an apocalyptic number.

606253220666 is a deficient number, since it is larger than the sum of its proper divisors (303877615942).

606253220666 is a wasteful number, since it uses less digits than its factorization.

606253220666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32437.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 606253220666 in words is "six hundred six billion, two hundred fifty-three million, two hundred twenty thousand, six hundred sixty-six".