655348450498560 has 4608 divisors, whose sum is σ = 2977780216320000. Its totient is φ = 136583972388864.

The previous prime is 655348450498559. The next prime is 655348450498579. The reversal of 655348450498560 is 65894054843556.

655348450498560 is a `hidden beast` number, since 6 + 5 + 5 + 3 + 4 + 8 + 4 + 50 + 4 + 9 + 8 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (4608).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1650751764282 + ... + 1650751764678.

It is an arithmetic number, because the mean of its divisors is an integer number (646219665000).

Almost surely, 2^{655348450498560} is an apocalyptic number.

655348450498560 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 655348450498560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488890108160000).

655348450498560 is an abundant number, since it is smaller than the sum of its proper divisors (2322431765821440).

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

655348450498560 is a wasteful number, since it uses less digits than its factorization.

655348450498560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 2488320000, while the sum is 72.

The spelling of 655348450498560 in words is "six hundred fifty-five trillion, three hundred forty-eight billion, four hundred fifty million, four hundred ninety-eight thousand, five hundred sixty".