606546220021 has 32 divisors (see below), whose sum is σ = 751329976320. Its totient is φ = 477751309056.

The previous prime is 606546219977. The next prime is 606546220031. The reversal of 606546220021 is 120022645606.

It is not a de Polignac number, because 606546220021 - 2⁷ = 606546219893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606546220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14137320 + ... + 14180158.

It is an arithmetic number, because the mean of its divisors is an integer number (23479061760).

Almost surely, 2^606546220021 is an apocalyptic number.

It is an amenable number.

606546220021 is a deficient number, since it is larger than the sum of its proper divisors (144783756299).

606546220021 is a wasteful number, since it uses less digits than its factorization.

606546220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45673.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 606546220021 its reverse (120022645606), we get a palindrome (726568865627).

The spelling of 606546220021 in words is "six hundred six billion, five hundred forty-six million, two hundred twenty thousand, twenty-one".