66075809034 has 32 divisors (see below), whose sum is σ = 136349464320. Its totient is φ = 21336149952.

The previous prime is 66075809029. The next prime is 66075809039. The reversal of 66075809034 is 43090857066.

66075809034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66075809029) and next prime (66075809039).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66075809039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289977 + ... + 1340220.

It is an arithmetic number, because the mean of its divisors is an integer number (4260920760).

Almost surely, 2^66075809034 is an apocalyptic number.

66075809034 is an abundant number, since it is smaller than the sum of its proper divisors (70273655286).

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

66075809034 is a wasteful number, since it uses less digits than its factorization.

66075809034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630334.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 66075809034 in words is "sixty-six billion, seventy-five million, eight hundred nine thousand, thirty-four".