66354045366 has 16 divisors (see below), whose sum is σ = 151666389504. Its totient is φ = 18958298664.

The previous prime is 66354045347. The next prime is 66354045377.

66354045366 is nontrivially palindromic in base 10.

66354045366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 789929070 + ... + 789929153.

It is an arithmetic number, because the mean of its divisors is an integer number (9479149344).

Almost surely, 2^66354045366 is an apocalyptic number.

66354045366 is an abundant number, since it is smaller than the sum of its proper divisors (85312344138).

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

66354045366 is a wasteful number, since it uses less digits than its factorization.

66354045366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579858235.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 66354045366 in words is "sixty-six billion, three hundred fifty-four million, forty-five thousand, three hundred sixty-six".