5526661881600 has 270 divisors, whose sum is σ = 20434589021000. Its totient is φ = 1473776363520.

The previous prime is 5526661881583. The next prime is 5526661881607. The reversal of 5526661881600 is 61881666255.

It is a tau number, because it is divible by the number of its divisors (270).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5526661881607) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4812100 + ... + 5848899.

Almost surely, 2^{5526661881600} is an apocalyptic number.

5526661881600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5526661881600 is an abundant number, since it is smaller than the sum of its proper divisors (14907927139400).

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

5526661881600 is a wasteful number, since it uses less digits than its factorization.

5526661881600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661037 (or 10661009 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 5526661881600 in words is "five trillion, five hundred twenty-six billion, six hundred sixty-one million, eight hundred eighty-one thousand, six hundred".