662078815312 has 20 divisors (see below), whose sum is σ = 1289493824256. Its totient is φ = 329306215520.

The previous prime is 662078815283. The next prime is 662078815367. The reversal of 662078815312 is 213518870266.

It is a happy number.

662078815312 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 3 ways as a sum of consecutive naturals, for example, 108321358 + ... + 108327469.

Almost surely, 2^662078815312 is an apocalyptic number.

It is an amenable number.

662078815312 is a deficient number, since it is larger than the sum of its proper divisors (627415008944).

662078815312 is a wasteful number, since it uses less digits than its factorization.

662078815312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216649026 (or 216649020 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 662078815312 in words is "six hundred sixty-two billion, seventy-eight million, eight hundred fifteen thousand, three hundred twelve".