660743343347066 has 16 divisors (see below), whose sum is σ = 1143917754255360. Its totient is φ = 280371998590800.

The previous prime is 660743343347057. The next prime is 660743343347081.

It is a happy number.

660743343347066 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233643330746 + ... + 233643333573.

It is an arithmetic number, because the mean of its divisors is an integer number (71494859640960).

Almost surely, 2^{660743343347066} is an apocalyptic number.

660743343347066 is a deficient number, since it is larger than the sum of its proper divisors (483174410908294).

660743343347066 is a wasteful number, since it uses less digits than its factorization.

660743343347066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467286664429.

The product of its (nonzero) digits is 329204736, while the sum is 62.

The spelling of 660743343347066 in words is "six hundred sixty trillion, seven hundred forty-three billion, three hundred forty-three million, three hundred forty-seven thousand, sixty-six".