662893056 has 120 divisors (see below), whose sum is σ = 2186568384. Its totient is φ = 189388800.

The previous prime is 662893037. The next prime is 662893067. The reversal of 662893056 is 650398266.

It is a happy number.

662893056 is a `hidden beast` number, since 66 + 289 + 305 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21981 + ... + 42531.

Almost surely, 2^662893056 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 662893056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093284192).

662893056 is an abundant number, since it is smaller than the sum of its proper divisors (1523675328).

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

662893056 is a wasteful number, since it uses less digits than its factorization.

662893056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20582 (or 20563 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 662893056 is about 25746.7096150168. The cubic root of 662893056 is about 871.9290686629.

The spelling of 662893056 in words is "six hundred sixty-two million, eight hundred ninety-three thousand, fifty-six".