662266664444 has 48 divisors (see below), whose sum is σ = 1445958984960. Its totient is φ = 257844984960.

The previous prime is 662266664417. The next prime is 662266664519. The reversal of 662266664444 is 444466662266.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 662266664444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313889 + ... + 1192920.

It is an arithmetic number, because the mean of its divisors is an integer number (30124145520).

It is a self-describing number.

Almost surely, 2^662266664444 is an apocalyptic number.

It is an amenable number.

662266664444 is an abundant number, since it is smaller than the sum of its proper divisors (783692320516).

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

662266664444 is a wasteful number, since it uses less digits than its factorization.

662266664444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508258 (or 1508256 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 56.

The spelling of 662266664444 in words is "six hundred sixty-two billion, two hundred sixty-six million, six hundred sixty-four thousand, four hundred forty-four".