66740733334 has 8 divisors (see below), whose sum is σ = 109212109128. Its totient is φ = 30336696960.

The previous prime is 66740733331. The next prime is 66740733377. The reversal of 66740733334 is 43333704766.

66740733334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66740733331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516834827 + ... + 1516834870.

It is an arithmetic number, because the mean of its divisors is an integer number (13651513641).

Almost surely, 2^66740733334 is an apocalyptic number.

66740733334 is a deficient number, since it is larger than the sum of its proper divisors (42471375794).

66740733334 is a wasteful number, since it uses less digits than its factorization.

66740733334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033669710.

The product of its (nonzero) digits is 2286144, while the sum is 46.

The spelling of 66740733334 in words is "sixty-six billion, seven hundred forty million, seven hundred thirty-three thousand, three hundred thirty-four".