66629833703 has 4 divisors (see below), whose sum is σ = 66681930240. Its totient is φ = 66577737168.

The previous prime is 66629833679. The next prime is 66629833747. The reversal of 66629833703 is 30733892666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66629833703 - 2⁶ = 66629833639 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 (66629833793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26046350 + ... + 26048907.

It is an arithmetic number, because the mean of its divisors is an integer number (16670482560).

Almost surely, 2^66629833703 is an apocalyptic number.

66629833703 is a deficient number, since it is larger than the sum of its proper divisors (52096537).

66629833703 is a wasteful number, since it uses less digits than its factorization.

66629833703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52096536.

The product of its (nonzero) digits is 5878656, while the sum is 53.

The spelling of 66629833703 in words is "sixty-six billion, six hundred twenty-nine million, eight hundred thirty-three thousand, seven hundred three".