606512566761 has 4 divisors (see below), whose sum is σ = 808683422352. Its totient is φ = 404341711172.

The previous prime is 606512566739. The next prime is 606512566763. The reversal of 606512566761 is 167665215606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 606512566761 - 2⁶ = 606512566697 is a prime.

It is a super-2 number, since 2×606512566761² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (606512566763) 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 3 ways as a sum of consecutive naturals, for example, 101085427791 + ... + 101085427796.

It is an arithmetic number, because the mean of its divisors is an integer number (202170855588).

Almost surely, 2^606512566761 is an apocalyptic number.

It is an amenable number.

606512566761 is a deficient number, since it is larger than the sum of its proper divisors (202170855591).

606512566761 is a wasteful number, since it uses less digits than its factorization.

606512566761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202170855590.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 606512566761 in words is "six hundred six billion, five hundred twelve million, five hundred sixty-six thousand, seven hundred sixty-one".