5510105661 has 64 divisors (see below), whose sum is σ = 7912993536. Its totient is φ = 3406233600.

The previous prime is 5510105651. The next prime is 5510105681. The reversal of 5510105661 is 1665010155.

It is not a de Polignac number, because 5510105661 - 2⁹ = 5510105149 is a prime.

It is a super-2 number, since 2×5510105661² = 60722528790768493842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5510105651) 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, 48761941 + ... + 48762053.

It is an arithmetic number, because the mean of its divisors is an integer number (123640524).

Almost surely, 2^5510105661 is an apocalyptic number.

It is an amenable number.

5510105661 is a deficient number, since it is larger than the sum of its proper divisors (2402887875).

5510105661 is a wasteful number, since it uses less digits than its factorization.

5510105661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 5510105661 is about 74230.0859557632. The cubic root of 5510105661 is about 1766.2546123655.

The spelling of 5510105661 in words is "five billion, five hundred ten million, one hundred five thousand, six hundred sixty-one".