606601665 has 12 divisors (see below), whose sum is σ = 1051442964. Its totient is φ = 323520864.

The previous prime is 606601651. The next prime is 606601673. The reversal of 606601665 is 566106606.

It can be written as a sum of positive squares in 2 ways, for example, as 427496976 + 179104689 = 20676^2 + 13383^2 .

It is not a de Polignac number, because 606601665 - 2⁴ = 606601649 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6739974 + ... + 6740063.

It is an arithmetic number, because the mean of its divisors is an integer number (87620247).

Almost surely, 2^606601665 is an apocalyptic number.

It is an amenable number.

606601665 is a deficient number, since it is larger than the sum of its proper divisors (444841299).

606601665 is a wasteful number, since it uses less digits than its factorization.

606601665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480048 (or 13480045 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 606601665 is about 24629.2847033770. The cubic root of 606601665 is about 846.5147555555.

The spelling of 606601665 in words is "six hundred six million, six hundred one thousand, six hundred sixty-five".