5044611661 has 4 divisors (see below), whose sum is σ = 5151943872. Its totient is φ = 4937279452.

The previous prime is 5044611631. The next prime is 5044611673. The reversal of 5044611661 is 1661164405.

5044611661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5044611661 - 2⁵ = 5044611629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5044611601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53666035 + ... + 53666128.

It is an arithmetic number, because the mean of its divisors is an integer number (1287985968).

Almost surely, 2^5044611661 is an apocalyptic number.

It is an amenable number.

5044611661 is a deficient number, since it is larger than the sum of its proper divisors (107332211).

5044611661 is a wasteful number, since it uses less digits than its factorization.

5044611661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107332210.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5044611661 is about 71025.4296783905. The cubic root of 5044611661 is about 1715.0465537148.

The spelling of 5044611661 in words is "five billion, forty-four million, six hundred eleven thousand, six hundred sixty-one".