66707333407 has 8 divisors (see below), whose sum is σ = 78369454800. Its totient is φ = 55978181760.

The previous prime is 66707333387. The next prime is 66707333419. The reversal of 66707333407 is 70433370766.

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 a de Polignac number, because none of the positive numbers 2^k-66707333407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66707333437) 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, 233242282 + ... + 233242567.

It is an arithmetic number, because the mean of its divisors is an integer number (9796181850).

Almost surely, 2^66707333407 is an apocalyptic number.

66707333407 is a deficient number, since it is larger than the sum of its proper divisors (11662121393).

66707333407 is a wasteful number, since it uses less digits than its factorization.

66707333407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466484873.

The product of its (nonzero) digits is 1333584, while the sum is 46.

The spelling of 66707333407 in words is "sixty-six billion, seven hundred seven million, three hundred thirty-three thousand, four hundred seven".