66700495329 has 8 divisors (see below), whose sum is σ = 95775070272. Its totient is φ = 41046458640.

The previous prime is 66700495321. The next prime is 66700495331. The reversal of 66700495329 is 92359400766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66700495329 - 2³ = 66700495321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66700495321) by changing a digit.

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, 855134517 + ... + 855134594.

It is an arithmetic number, because the mean of its divisors is an integer number (11971883784).

Almost surely, 2^66700495329 is an apocalyptic number.

It is an amenable number.

66700495329 is a deficient number, since it is larger than the sum of its proper divisors (29074574943).

66700495329 is a wasteful number, since it uses less digits than its factorization.

66700495329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710269127.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 66700495329 in words is "sixty-six billion, seven hundred million, four hundred ninety-five thousand, three hundred twenty-nine".