655069089397248 has 560 divisors, whose sum is σ = 2079357478228800. Its totient is φ = 205493627289600.

The previous prime is 655069089397243. The next prime is 655069089397253. The reversal of 655069089397248 is 842793980960556.

655069089397248 is a `hidden beast` number, since 6 + 5 + 50 + 69 + 0 + 89 + 397 + 2 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (655069089397243) and next prime (655069089397253).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (655069089397241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1070542648 + ... + 1071154376.

It is an arithmetic number, because the mean of its divisors is an integer number (3713138353980).

Almost surely, 2^{655069089397248} 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 655069089397248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039678739114400).

655069089397248 is an abundant number, since it is smaller than the sum of its proper divisors (1424288388831552).

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

655069089397248 is an equidigital number, since it uses as much as digits as its factorization.

655069089397248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611935 (or 611904 counting only the distinct ones).

The product of its (nonzero) digits is 7054387200, while the sum is 81.

The spelling of 655069089397248 in words is "six hundred fifty-five trillion, sixty-nine billion, eighty-nine million, three hundred ninety-seven thousand, two hundred forty-eight".