662378397712 has 20 divisors (see below), whose sum is σ = 1313203685200. Its totient is φ = 323487124128.

The previous prime is 662378397683. The next prime is 662378397719. The reversal of 662378397712 is 217793873266.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (662378397719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481378962 + ... + 481380337.

It is an arithmetic number, because the mean of its divisors is an integer number (65660184260).

Almost surely, 2^662378397712 is an apocalyptic number.

It is an amenable number.

662378397712 is a deficient number, since it is larger than the sum of its proper divisors (650825287488).

662378397712 is a wasteful number, since it uses less digits than its factorization.

662378397712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962759350 (or 962759344 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 61.

The spelling of 662378397712 in words is "six hundred sixty-two billion, three hundred seventy-eight million, three hundred ninety-seven thousand, seven hundred twelve".