606135561 has 16 divisors (see below), whose sum is σ = 856641600. Its totient is φ = 379911168.

The previous prime is 606135553. The next prime is 606135577. The reversal of 606135561 is 165531606.

It is not a de Polignac number, because 606135561 - 2³ = 606135553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (606135661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45570 + ... + 57348.

It is an arithmetic number, because the mean of its divisors is an integer number (53540100).

Almost surely, 2^606135561 is an apocalyptic number.

It is an amenable number.

606135561 is a deficient number, since it is larger than the sum of its proper divisors (250506039).

606135561 is a wasteful number, since it uses less digits than its factorization.

606135561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12808.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 606135561 is about 24619.8204908159. The cubic root of 606135561 is about 846.2978834088.

The spelling of 606135561 in words is "six hundred six million, one hundred thirty-five thousand, five hundred sixty-one".