5661718232 has 64 divisors (see below), whose sum is σ = 11158252800. Its totient is φ = 2689873920.

The previous prime is 5661718229. The next prime is 5661718243. The reversal of 5661718232 is 2328171665.

It is a super-2 number, since 2×5661718232² = 64110106677122411648, which contains 22 as substring.

Its product of digits (120960) is a multiple of the sum of its prime divisors (1512).

It is a self number, because there is not a number n which added to its sum of digits gives 5661718232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5014244 + ... + 5015372.

It is an arithmetic number, because the mean of its divisors is an integer number (174347700).

Almost surely, 2^5661718232 is an apocalyptic number.

It is an amenable number.

5661718232 is a deficient number, since it is larger than the sum of its proper divisors (5496534568).

5661718232 is a wasteful number, since it uses less digits than its factorization.

5661718232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1512 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 5661718232 is about 75244.3900367330. The cubic root of 5661718232 is about 1782.3079761436.

Adding to 5661718232 its reverse (2328171665), we get a palindrome (7989889897).

The spelling of 5661718232 in words is "five billion, six hundred sixty-one million, seven hundred eighteen thousand, two hundred thirty-two".