5661606105510 has 32 divisors (see below), whose sum is σ = 13955093970912. Its totient is φ = 1468957259520.

The previous prime is 5661606105497. The next prime is 5661606105521. The reversal of 5661606105510 is 155016061665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2550271911 + ... + 2550274130.

It is an arithmetic number, because the mean of its divisors is an integer number (436096686591).

Almost surely, 2^{5661606105510} is an apocalyptic number.

5661606105510 is an abundant number, since it is smaller than the sum of its proper divisors (8293487865402).

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

5661606105510 is a wasteful number, since it uses less digits than its factorization.

5661606105510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100546088.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 5661606105510 in words is "five trillion, six hundred sixty-one billion, six hundred six million, one hundred five thousand, five hundred ten".