66703340711 has 8 divisors (see below), whose sum is σ = 76780824960. Its totient is φ = 56762965368.

The previous prime is 66703340707. The next prime is 66703340749. The reversal of 66703340711 is 11704330766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66703340711 - 2² = 66703340707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66703340701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34276181 + ... + 34278126.

It is an arithmetic number, because the mean of its divisors is an integer number (9597603120).

Almost surely, 2^66703340711 is an apocalyptic number.

66703340711 is a deficient number, since it is larger than the sum of its proper divisors (10077484249).

66703340711 is a wasteful number, since it uses less digits than its factorization.

66703340711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68554453.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 66703340711 in words is "sixty-six billion, seven hundred three million, three hundred forty thousand, seven hundred eleven".