5661889174 has 4 divisors (see below), whose sum is σ = 8492833764. Its totient is φ = 2830944586.

The previous prime is 5661889171. The next prime is 5661889187. The reversal of 5661889174 is 4719881665.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661889171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415472292 + ... + 1415472295.

It is an arithmetic number, because the mean of its divisors is an integer number (2123208441).

Almost surely, 2^5661889174 is an apocalyptic number.

5661889174 is a deficient number, since it is larger than the sum of its proper divisors (2830944590).

5661889174 is a wasteful number, since it uses less digits than its factorization.

5661889174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830944589.

The product of its digits is 2903040, while the sum is 55.

The square root of 5661889174 is about 75245.5259400850. The cubic root of 5661889174 is about 1782.3259134677.

The spelling of 5661889174 in words is "five billion, six hundred sixty-one million, eight hundred eighty-nine thousand, one hundred seventy-four".