654716608 has 112 divisors (see below), whose sum is σ = 1620398080. Its totient is φ = 255550464.

The previous prime is 654716539. The next prime is 654716617. The reversal of 654716608 is 806617456.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459385 + ... + 460807.

It is an arithmetic number, because the mean of its divisors is an integer number (14467840).

Almost surely, 2^654716608 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 654716608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810199040).

654716608 is an abundant number, since it is smaller than the sum of its proper divisors (965681472).

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

654716608 is a wasteful number, since it uses less digits than its factorization.

654716608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 654716608 is about 25587.4306642930. The cubic root of 654716608 is about 868.3292938200.

The spelling of 654716608 in words is "six hundred fifty-four million, seven hundred sixteen thousand, six hundred eight".