6660368242 has 16 divisors (see below), whose sum is σ = 10971936000. Its totient is φ = 3007120240.

The previous prime is 6660368237. The next prime is 6660368269. The reversal of 6660368242 is 2428630666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012642 + ... + 1019197.

It is an arithmetic number, because the mean of its divisors is an integer number (685746000).

Almost surely, 2^6660368242 is an apocalyptic number.

6660368242 is a deficient number, since it is larger than the sum of its proper divisors (4311567758).

6660368242 is a wasteful number, since it uses less digits than its factorization.

6660368242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032001.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 6660368242 is about 81611.0791620844. The cubic root of 6660368242 is about 1881.4791665552.

The spelling of 6660368242 in words is "six billion, six hundred sixty million, three hundred sixty-eight thousand, two hundred forty-two".