662078643152 has 40 divisors (see below), whose sum is σ = 1300962715200. Its totient is φ = 326347176960.

The previous prime is 662078643151. The next prime is 662078643173. The reversal of 662078643152 is 251346870266.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 662078643152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662078643151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17758643 + ... + 17795885.

It is an arithmetic number, because the mean of its divisors is an integer number (32524067880).

Almost surely, 2^662078643152 is an apocalyptic number.

It is an amenable number.

662078643152 is a deficient number, since it is larger than the sum of its proper divisors (638884072048).

662078643152 is a wasteful number, since it uses less digits than its factorization.

662078643152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52971 (or 52965 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 662078643152 in words is "six hundred sixty-two billion, seventy-eight million, six hundred forty-three thousand, one hundred fifty-two".