6606661492 has 12 divisors (see below), whose sum is σ = 11563011936. Its totient is φ = 3302943800.

The previous prime is 6606661471. The next prime is 6606661507. The reversal of 6606661492 is 2941666066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56458 + ... + 128065.

It is an arithmetic number, because the mean of its divisors is an integer number (963584328).

Almost surely, 2^6606661492 is an apocalyptic number.

It is an amenable number.

6606661492 is a deficient number, since it is larger than the sum of its proper divisors (4956350444).

6606661492 is a wasteful number, since it uses less digits than its factorization.

6606661492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193478 (or 193476 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 6606661492 is about 81281.3723555404. The cubic root of 6606661492 is about 1876.4083278367.

The spelling of 6606661492 in words is "six billion, six hundred six million, six hundred sixty-one thousand, four hundred ninety-two".