5512554641664 has 1296 divisors, whose sum is σ = 20351188690560. Its totient is φ = 1480689745920.

The previous prime is 5512554641663. The next prime is 5512554641669. The reversal of 5512554641664 is 4661464552155.

It is a happy number.

5512554641664 is a `hidden beast` number, since 5 + 5 + 1 + 25 + 546 + 4 + 16 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a super-2 number, since 2×5512554641664² (a number of 26 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5512554641664.

It is not an unprimeable number, because it can be changed into a prime (5512554641663) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4276612732 + ... + 4276614020.

Almost surely, 2^{5512554641664} is an apocalyptic number.

5512554641664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5512554641664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10175594345280).

5512554641664 is an abundant number, since it is smaller than the sum of its proper divisors (14838634048896).

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

5512554641664 is a wasteful number, since it uses less digits than its factorization.

5512554641664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1385 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 54.

The spelling of 5512554641664 in words is "five trillion, five hundred twelve billion, five hundred fifty-four million, six hundred forty-one thousand, six hundred sixty-four".