5550666116061 has 64 divisors (see below), whose sum is σ = 8582059848960. Its totient is φ = 3164730705920.

The previous prime is 5550666116057. The next prime is 5550666116087. The reversal of 5550666116061 is 1606116660555.

It is not a de Polignac number, because 5550666116061 - 2² = 5550666116057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5550666116061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550666116861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 436607041 + ... + 436619753.

It is an arithmetic number, because the mean of its divisors is an integer number (134094685140).

Almost surely, 2^{5550666116061} is an apocalyptic number.

5550666116061 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5550666116061 is a deficient number, since it is larger than the sum of its proper divisors (3031393732899).

5550666116061 is a wasteful number, since it uses less digits than its factorization.

5550666116061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471 (or 15437 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 5550666116061 in words is "five trillion, five hundred fifty billion, six hundred sixty-six million, one hundred sixteen thousand, sixty-one".