6660892297 has 2 divisors, whose sum is σ = 6660892298. Its totient is φ = 6660892296.

The previous prime is 6660892291. The next prime is 6660892313. The reversal of 6660892297 is 7922980666.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5578745481 + 1082146816 = 74691^2 + 32896^2 .

It is a cyclic number.

It is not a de Polignac number, because 6660892297 - 2¹⁹ = 6660368009 is a prime.

It is not a weakly prime, because it can be changed into another prime (6660892291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330446148 + 3330446149.

It is an arithmetic number, because the mean of its divisors is an integer number (3330446149).

Almost surely, 2^6660892297 is an apocalyptic number.

It is an amenable number.

6660892297 is a deficient number, since it is larger than the sum of its proper divisors (1).

6660892297 is an equidigital number, since it uses as much as digits as its factorization.

6660892297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 6660892297 is about 81614.2897843264. The cubic root of 6660892297 is about 1881.5285118100.

The spelling of 6660892297 in words is "six billion, six hundred sixty million, eight hundred ninety-two thousand, two hundred ninety-seven".