6455699647488 has 1848 divisors, whose sum is σ = 24881641800288. Its totient is φ = 1629343973376.

The previous prime is 6455699647381. The next prime is 6455699647489. The reversal of 6455699647488 is 8847469965546.

6455699647488 is a `hidden beast` number, since 6 + 4 + 5 + 5 + 6 + 9 + 96 + 47 + 488 = 666.

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 (6455699647489) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 57130085320 + ... + 57130085432.

Almost surely, 2^{6455699647488} 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 6455699647488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12440820900144).

6455699647488 is an abundant number, since it is smaller than the sum of its proper divisors (18425942152800).

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

6455699647488 is a wasteful number, since it uses less digits than its factorization.

6455699647488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 167 counting only the distinct ones).

The product of its digits is 12541132800, while the sum is 81.

The spelling of 6455699647488 in words is "six trillion, four hundred fifty-five billion, six hundred ninety-nine million, six hundred forty-seven thousand, four hundred eighty-eight".