66962426966 has 32 divisors (see below), whose sum is σ = 103343397696.
Its totient is φ = 32522112000.
The previous prime is 66962426963. The next prime is 66962427001.
66962426966 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 66962426899 and 66962426908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66962426963) 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 15 ways as a sum of consecutive naturals, for example, 20469911 + ... + 20473181.
It is an arithmetic number, because the mean of its divisors is an integer number (3229481178).
Almost surely, 266962426966 is an apocalyptic number.
66962426966 is a deficient number, since it is larger than the sum of its proper divisors (36380970730).
66962426966 is a wasteful number, since it uses less digits than its factorization.
66962426966 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4328.
The product of its digits is 60466176, while the sum is 62.
The spelling of 66962426966 in words is "sixty-six billion, nine hundred sixty-two million, four hundred twenty-six thousand, nine hundred sixty-six".