662443056 has 480 divisors, whose sum is σ = 2374848000. Its totient is φ = 175633920.

The previous prime is 662443039. The next prime is 662443069. The reversal of 662443056 is 650344266.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 662443056.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 22842850 + ... + 22842878.

It is an arithmetic number, because the mean of its divisors is an integer number (4947600).

Almost surely, 2^662443056 is an apocalyptic number.

662443056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662443056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187424000).

662443056 is an abundant number, since it is smaller than the sum of its proper divisors (1712404944).

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

662443056 is a wasteful number, since it uses less digits than its factorization.

662443056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 662443056 is about 25737.9691506537. The cubic root of 662443056 is about 871.7317231554.

The spelling of 662443056 in words is "six hundred sixty-two million, four hundred forty-three thousand, fifty-six".