6606340731 has 6 divisors (see below), whose sum is σ = 9542492180. Its totient is φ = 4404227148.

The previous prime is 6606340729. The next prime is 6606340739. The reversal of 6606340731 is 1370436066.

It is a happy number.

6606340731 is a `hidden beast` number, since 6 + 606 + 3 + 40 + 7 + 3 + 1 = 666.

It is not a de Polignac number, because 6606340731 - 2¹ = 6606340729 is a prime.

It is a super-2 number, since 2×6606340731² = 87287475708139228722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6606340739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367018921 + ... + 367018938.

Almost surely, 2^6606340731 is an apocalyptic number.

6606340731 is a deficient number, since it is larger than the sum of its proper divisors (2936151449).

6606340731 is a wasteful number, since it uses less digits than its factorization.

6606340731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734037865 (or 734037862 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 6606340731 is about 81279.3991796199. The cubic root of 6606340731 is about 1876.3779600858.

Adding to 6606340731 its reverse (1370436066), we get a palindrome (7976776797).

The spelling of 6606340731 in words is "six billion, six hundred six million, three hundred forty thousand, seven hundred thirty-one".