662066288 has 60 divisors (see below), whose sum is σ = 1437084360. Its totient is φ = 294997248.

The previous prime is 662066281. The next prime is 662066291. The reversal of 662066288 is 882660266.

It is a happy number.

662066288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×662066288³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662066281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74195 + ... + 82637.

It is an arithmetic number, because the mean of its divisors is an integer number (23951406).

Almost surely, 2^662066288 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 662066288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718542180).

662066288 is an abundant number, since it is smaller than the sum of its proper divisors (775018072).

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

662066288 is a wasteful number, since it uses less digits than its factorization.

662066288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506 (or 8487 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 662066288 is about 25730.6488064332. The cubic root of 662066288 is about 871.5664244669.

The spelling of 662066288 in words is "six hundred sixty-two million, sixty-six thousand, two hundred eighty-eight".