606066621 has 16 divisors (see below), whose sum is σ = 836895360. Its totient is φ = 389672640.

The previous prime is 606066599. The next prime is 606066649. The reversal of 606066621 is 126660606.

It is not a de Polignac number, because 606066621 - 2⁶ = 606066557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606066661) 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 15 ways as a sum of consecutive naturals, for example, 85416 + ... + 92238.

It is an arithmetic number, because the mean of its divisors is an integer number (52305960).

Almost surely, 2^606066621 is an apocalyptic number.

It is an amenable number.

606066621 is a deficient number, since it is larger than the sum of its proper divisors (230828739).

606066621 is a wasteful number, since it uses less digits than its factorization.

606066621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 606066621 is about 24618.4203595600. The cubic root of 606066621 is about 846.2657970836.

The spelling of 606066621 in words is "six hundred six million, sixty-six thousand, six hundred twenty-one".