662650608 has 80 divisors (see below), whose sum is σ = 1792028160. Its totient is φ = 210600192.

The previous prime is 662650607. The next prime is 662650619. The reversal of 662650608 is 806056266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662650607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428685 + ... + 430227.

It is an arithmetic number, because the mean of its divisors is an integer number (22400352).

Almost surely, 2^662650608 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 662650608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896014080).

662650608 is an abundant number, since it is smaller than the sum of its proper divisors (1129377552).

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

662650608 is a wasteful number, since it uses less digits than its factorization.

662650608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 662650608 is about 25742.0008546344. Note that the first 3 decimals coincide. The cubic root of 662650608 is about 871.8227552667.

The spelling of 662650608 in words is "six hundred sixty-two million, six hundred fifty thousand, six hundred eight".