6455558574648 has 40 divisors (see below), whose sum is σ = 18081541379880. Its totient is φ = 2151852858000.

The previous prime is 6455558574643. The next prime is 6455558574667. The reversal of 6455558574648 is 8464758555546.

6455558574648 is a `hidden beast` number, since 6 + 4 + 5 + 5 + 5 + 5 + 8 + 574 + 6 + 48 = 666.

It is a super-2 number, since 2×6455558574648² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455558574643) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4981140228 + ... + 4981141523.

It is an arithmetic number, because the mean of its divisors is an integer number (452038534497).

Almost surely, 2^{6455558574648} is an apocalyptic number.

It is an amenable number.

6455558574648 is an abundant number, since it is smaller than the sum of its proper divisors (11625982805232).

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

6455558574648 is a wasteful number, since it uses less digits than its factorization.

6455558574648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962281769 (or 9962281756 counting only the distinct ones).

The product of its digits is 3225600000, while the sum is 72.

The spelling of 6455558574648 in words is "six trillion, four hundred fifty-five billion, five hundred fifty-eight million, five hundred seventy-four thousand, six hundred forty-eight".