66666707034 has 32 divisors (see below), whose sum is σ = 141513583680. Its totient is φ = 20865115392.

The previous prime is 66666707011. The next prime is 66666707053. The reversal of 66666707034 is 43070766666.

66666707034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737209 + ... + 822684.

It is an arithmetic number, because the mean of its divisors is an integer number (4422299490).

Almost surely, 2^66666707034 is an apocalyptic number.

66666707034 is an abundant number, since it is smaller than the sum of its proper divisors (74846876646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66666707034 is a wasteful number, since it uses less digits than its factorization.

66666707034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560334.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 66666707034 in words is "sixty-six billion, six hundred sixty-six million, seven hundred seven thousand, thirty-four".