66733673707 has 8 divisors (see below), whose sum is σ = 68006854800. Its totient is φ = 65461013280.

The previous prime is 66733673701. The next prime is 66733673717. The reversal of 66733673707 is 70737633766.

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-66733673707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66733673701) 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, 133669 + ... + 389017.

It is an arithmetic number, because the mean of its divisors is an integer number (8500856850).

Almost surely, 2^66733673707 is an apocalyptic number.

66733673707 is a deficient number, since it is larger than the sum of its proper divisors (1273181093).

66733673707 is a wasteful number, since it uses less digits than its factorization.

66733673707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260333.

The product of its (nonzero) digits is 14002632, while the sum is 55.

The spelling of 66733673707 in words is "sixty-six billion, seven hundred thirty-three million, six hundred seventy-three thousand, seven hundred seven".