5500661615600 has 120 divisors (see below), whose sum is σ = 13276605473520. Its totient is φ = 2190069504000.

The previous prime is 5500661615521. The next prime is 5500661615611. The reversal of 5500661615600 is 65161660055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538694495 + ... + 538704705.

It is an arithmetic number, because the mean of its divisors is an integer number (110638378946).

Almost surely, 2^{5500661615600} is an apocalyptic number.

5500661615600 is a gapful number since it is divisible by the number (50) 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 5500661615600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6638302736760).

5500661615600 is an abundant number, since it is smaller than the sum of its proper divisors (7775943857920).

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

5500661615600 is a wasteful number, since it uses less digits than its factorization.

5500661615600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16339 (or 16328 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 5500661615600 in words is "five trillion, five hundred billion, six hundred sixty-one million, six hundred fifteen thousand, six hundred".