662383773334656 has 160 divisors (see below), whose sum is σ = 1971417725729100. Its totient is φ = 220775062634496.

The previous prime is 662383773334651. The next prime is 662383773334663. The reversal of 662383773334656 is 656433377383266.

662383773334656 is a `hidden beast` number, since 6 + 6 + 2 + 38 + 37 + 73 + 33 + 465 + 6 = 666.

662383773334656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 657977905166400 + 4405868168256 = 25651080^2 + 2099016^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (662383773334651) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114639436 + ... + 120278708.

Almost surely, 2^{662383773334656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662383773334656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985708862864550).

662383773334656 is an abundant number, since it is smaller than the sum of its proper divisors (1309033952394444).

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

662383773334656 is a wasteful number, since it uses less digits than its factorization.

662383773334656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650628 (or 5650607 counting only the distinct ones).

The product of its digits is 4938071040, while the sum is 72.

The spelling of 662383773334656 in words is "six hundred sixty-two trillion, three hundred eighty-three billion, seven hundred seventy-three million, three hundred thirty-four thousand, six hundred fifty-six".