66734007333911 has 8 divisors (see below), whose sum is σ = 70281150680880. Its totient is φ = 63190346704128.

The previous prime is 66734007333893. The next prime is 66734007333919. The reversal of 66734007333911 is 11933370043766.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66734007333911 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 (66734007333919) 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, 870639956 + ... + 870716601.

It is an arithmetic number, because the mean of its divisors is an integer number (8785143835110).

Almost surely, 2^{66734007333911} is an apocalyptic number.

66734007333911 is a deficient number, since it is larger than the sum of its proper divisors (3547143346969).

66734007333911 is a wasteful number, since it uses less digits than its factorization.

66734007333911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741358593.

The product of its (nonzero) digits is 5143824, while the sum is 53.

The spelling of 66734007333911 in words is "sixty-six trillion, seven hundred thirty-four billion, seven million, three hundred thirty-three thousand, nine hundred eleven".