606105550521 has 8 divisors (see below), whose sum is σ = 897934148960. Its totient is φ = 404070366996.

The previous prime is 606105550511. The next prime is 606105550601. The reversal of 606105550521 is 125055501606.

It is not a de Polignac number, because 606105550521 - 2¹⁸ = 606105288377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606105550511) 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 7 ways as a sum of consecutive naturals, for example, 11224176835 + ... + 11224176888.

It is an arithmetic number, because the mean of its divisors is an integer number (112241768620).

Almost surely, 2^606105550521 is an apocalyptic number.

It is an amenable number.

606105550521 is a deficient number, since it is larger than the sum of its proper divisors (291828598439).

606105550521 is a wasteful number, since it uses less digits than its factorization.

606105550521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22448353732 (or 22448353726 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 606105550521 in words is "six hundred six billion, one hundred five million, five hundred fifty thousand, five hundred twenty-one".