66734606794 has 16 divisors (see below), whose sum is σ = 105395590080. Its totient is φ = 31603582080.

The previous prime is 66734606779. The next prime is 66734606803. The reversal of 66734606794 is 49760643766.

66734606794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46759 + ... + 368314.

It is an arithmetic number, because the mean of its divisors is an integer number (6587224380).

Almost surely, 2^66734606794 is an apocalyptic number.

66734606794 is a deficient number, since it is larger than the sum of its proper divisors (38660983286).

66734606794 is a wasteful number, since it uses less digits than its factorization.

66734606794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419325.

The product of its (nonzero) digits is 27433728, while the sum is 58.

The spelling of 66734606794 in words is "sixty-six billion, seven hundred thirty-four million, six hundred six thousand, seven hundred ninety-four".