66382769318 has 16 divisors (see below), whose sum is σ = 100680952320. Its totient is φ = 32823349896.

The previous prime is 66382769287. The next prime is 66382769329. The reversal of 66382769318 is 81396728366.

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, 75980 + ... + 372207.

It is an arithmetic number, because the mean of its divisors is an integer number (6292559520).

Almost surely, 2^66382769318 is an apocalyptic number.

66382769318 is a deficient number, since it is larger than the sum of its proper divisors (34298183002).

66382769318 is a wasteful number, since it uses less digits than its factorization.

66382769318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449011.

The product of its digits is 15676416, while the sum is 59.

The spelling of 66382769318 in words is "sixty-six billion, three hundred eighty-two million, seven hundred sixty-nine thousand, three hundred eighteen".