66345054366 has 16 divisors (see below), whose sum is σ = 132758143488. Its totient is φ = 22103679000.

The previous prime is 66345054331. The next prime is 66345054421.

66345054366 is nontrivially palindromic in base 10.

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, 2822100 + ... + 2845511.

It is an arithmetic number, because the mean of its divisors is an integer number (8297383968).

Almost surely, 2^66345054366 is an apocalyptic number.

66345054366 is an abundant number, since it is smaller than the sum of its proper divisors (66413089122).

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

66345054366 is a wasteful number, since it uses less digits than its factorization.

66345054366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5669567.

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

The spelling of 66345054366 in words is "sixty-six billion, three hundred forty-five million, fifty-four thousand, three hundred sixty-six".