66714241766 has 4 divisors (see below), whose sum is σ = 100071362652. Its totient is φ = 33357120882.

The previous prime is 66714241729. The next prime is 66714241819.

It is a happy number.

66714241766 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

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, 16678560440 + ... + 16678560443.

It is an arithmetic number, because the mean of its divisors is an integer number (25017840663).

Almost surely, 2^66714241766 is an apocalyptic number.

66714241766 is a deficient number, since it is larger than the sum of its proper divisors (33357120886).

66714241766 is a wasteful number, since it uses less digits than its factorization.

66714241766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33357120885.

The product of its digits is 2032128, while the sum is 50.

The spelling of 66714241766 in words is "sixty-six billion, seven hundred fourteen million, two hundred forty-one thousand, seven hundred sixty-six".