662241888 has 144 divisors (see below), whose sum is σ = 2348027136. Its totient is φ = 172005120.

The previous prime is 662241859. The next prime is 662241889. The reversal of 662241888 is 888142266.

662241888 is a `hidden beast` number, since 6 + 622 + 4 + 18 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662241889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7245 + ... + 37107.

It is an arithmetic number, because the mean of its divisors is an integer number (16305744).

Almost surely, 2^662241888 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 662241888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174013568).

662241888 is an abundant number, since it is smaller than the sum of its proper divisors (1685785248).

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

662241888 is a wasteful number, since it uses less digits than its factorization.

662241888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29897 (or 29886 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 662241888 is about 25734.0608532738. The cubic root of 662241888 is about 871.6434729126.

The spelling of 662241888 in words is "six hundred sixty-two million, two hundred forty-one thousand, eight hundred eighty-eight".