66746307298 has 24 divisors (see below), whose sum is σ = 115272281520. Its totient is φ = 28742425560.

The previous prime is 66746307289. The next prime is 66746307311. The reversal of 66746307298 is 89270364766.

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 11 ways as a sum of consecutive naturals, for example, 4194168 + ... + 4210051.

It is an arithmetic number, because the mean of its divisors is an integer number (4803011730).

Almost surely, 2^66746307298 is an apocalyptic number.

66746307298 is a deficient number, since it is larger than the sum of its proper divisors (48525974222).

66746307298 is a wasteful number, since it uses less digits than its factorization.

66746307298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404270 (or 8404251 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 66746307298 in words is "sixty-six billion, seven hundred forty-six million, three hundred seven thousand, two hundred ninety-eight".