66734004066734 has 32 divisors (see below), whose sum is σ = 102851816104800. Its totient is φ = 32455003392000.

The previous prime is 66734004066733. The next prime is 66734004066773. The reversal of 66734004066734 is 43766040043766.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66734004066734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66734004066733) 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, 193371134 + ... + 193715934.

It is an arithmetic number, because the mean of its divisors is an integer number (3214119253275).

Almost surely, 2^{66734004066734} is an apocalyptic number.

66734004066734 is a deficient number, since it is larger than the sum of its proper divisors (36117812038066).

66734004066734 is a wasteful number, since it uses less digits than its factorization.

66734004066734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351956.

The product of its (nonzero) digits is 36578304, while the sum is 56.

The spelling of 66734004066734 in words is "sixty-six trillion, seven hundred thirty-four billion, four million, sixty-six thousand, seven hundred thirty-four".