6606520241 has 4 divisors (see below), whose sum is σ = 6612059172. Its totient is φ = 6600981312.

The previous prime is 6606520231. The next prime is 6606520259. The reversal of 6606520241 is 1420256066.

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 4159734016 + 2446786225 = 64496^2 + 49465^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606520241 - 2⁶ = 6606520177 is a prime.

It is a super-2 number, since 2×6606520241² = 87292219389485396162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6606520198 and 6606520207.

It is not an unprimeable number, because it can be changed into a prime (6606520231) 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, 2767676 + ... + 2770061.

It is an arithmetic number, because the mean of its divisors is an integer number (1653014793).

Almost surely, 2^6606520241 is an apocalyptic number.

It is an amenable number.

6606520241 is a deficient number, since it is larger than the sum of its proper divisors (5538931).

6606520241 is a wasteful number, since it uses less digits than its factorization.

6606520241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538930.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6606520241 is about 81280.5034494743. The cubic root of 6606520241 is about 1876.3949551501.

The spelling of 6606520241 in words is "six billion, six hundred six million, five hundred twenty thousand, two hundred forty-one".