66710104007 has 8 divisors (see below), whose sum is σ = 67471908672. Its totient is φ = 65949811200.

The previous prime is 66710104003. The next prime is 66710104037. The reversal of 66710104007 is 70040101766.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66710104007 - 2² = 66710104003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66710104003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289094 + ... + 465827.

It is an arithmetic number, because the mean of its divisors is an integer number (8433988584).

Almost surely, 2^66710104007 is an apocalyptic number.

66710104007 is a deficient number, since it is larger than the sum of its proper divisors (761804665).

66710104007 is an equidigital number, since it uses as much as digits as its factorization.

66710104007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755929.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 66710104007 in words is "sixty-six billion, seven hundred ten million, one hundred four thousand, seven".