606232661 has 4 divisors (see below), whose sum is σ = 614537292. Its totient is φ = 597928032.

The previous prime is 606232633. The next prime is 606232703. The reversal of 606232661 is 166232606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 485100625 + 121132036 = 22025^2 + 11006^2 .

It is a cyclic number.

It is not a de Polignac number, because 606232661 - 2²⁶ = 539123797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606232061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4152206 + ... + 4152351.

It is an arithmetic number, because the mean of its divisors is an integer number (153634323).

Almost surely, 2^606232661 is an apocalyptic number.

It is an amenable number.

606232661 is a deficient number, since it is larger than the sum of its proper divisors (8304631).

606232661 is an equidigital number, since it uses as much as digits as its factorization.

606232661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304630.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 606232661 is about 24621.7924002295. The cubic root of 606232661 is about 846.3430719453.

The spelling of 606232661 in words is "six hundred six million, two hundred thirty-two thousand, six hundred sixty-one".