655187168448 has 224 divisors, whose sum is σ = 1955060352000. Its totient is φ = 215121070080.

The previous prime is 655187168437. The next prime is 655187168479. The reversal of 655187168448 is 844861781556.

It is a happy number.

655187168448 is a `hidden beast` number, since 6 + 5 + 5 + 187 + 1 + 6 + 8 + 448 = 666.

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, 197403333 + ... + 197406651.

It is an arithmetic number, because the mean of its divisors is an integer number (8727948000).

Almost surely, 2^655187168448 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 655187168448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977530176000).

655187168448 is an abundant number, since it is smaller than the sum of its proper divisors (1299873183552).

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

655187168448 is a wasteful number, since it uses less digits than its factorization.

655187168448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5004 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 63.

The spelling of 655187168448 in words is "six hundred fifty-five billion, one hundred eighty-seven million, one hundred sixty-eight thousand, four hundred forty-eight".