655326661248 has 768 divisors, whose sum is σ = 2290411468800. Its totient is φ = 182655627264.

The previous prime is 655326661229. The next prime is 655326661267. The reversal of 655326661248 is 842166623556.

It is an interprime number because it is at equal distance from previous prime (655326661229) and next prime (655326661267).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 655326661194 and 655326661203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2436158458 + ... + 2436158726.

It is an arithmetic number, because the mean of its divisors is an integer number (2982306600).

Almost surely, 2^655326661248 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 655326661248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145205734400).

655326661248 is an abundant number, since it is smaller than the sum of its proper divisors (1635084807552).

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

655326661248 is a wasteful number, since it uses less digits than its factorization.

655326661248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 515 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 655326661248 in words is "six hundred fifty-five billion, three hundred twenty-six million, six hundred sixty-one thousand, two hundred forty-eight".