654466560 has 320 divisors, whose sum is σ = 2338136064. Its totient is φ = 154828800.

The previous prime is 654466531. The next prime is 654466583. The reversal of 654466560 is 65664456.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5153217 + ... + 5153343.

Almost surely, 2^654466560 is an apocalyptic number.

654466560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654466560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169068032).

654466560 is an abundant number, since it is smaller than the sum of its proper divisors (1683669504).

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

654466560 is a wasteful number, since it uses less digits than its factorization.

654466560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 654466560 is about 25582.5440486282. The cubic root of 654466560 is about 868.2187362405.

The spelling of 654466560 in words is "six hundred fifty-four million, four hundred sixty-six thousand, five hundred sixty".