66313711234 has 4 divisors (see below), whose sum is σ = 99470566854. Its totient is φ = 33156855616.

The previous prime is 66313711187. The next prime is 66313711237. The reversal of 66313711234 is 43211731366.

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

It can be written as a sum of positive squares in only one way, i.e., 65534464009 + 779247225 = 255997^2 + 27915^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66313711193 and 66313711202.

It is not an unprimeable number, because it can be changed into a prime (66313711237) 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 as a sum of consecutive naturals, namely, 16578427807 + ... + 16578427810.

Almost surely, 2^66313711234 is an apocalyptic number.

66313711234 is a deficient number, since it is larger than the sum of its proper divisors (33156855620).

66313711234 is a wasteful number, since it uses less digits than its factorization.

66313711234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33156855619.

The product of its digits is 54432, while the sum is 37.

The spelling of 66313711234 in words is "sixty-six billion, three hundred thirteen million, seven hundred eleven thousand, two hundred thirty-four".