5681606236 has 6 divisors (see below), whose sum is σ = 9942810920. Its totient is φ = 2840803116.

The previous prime is 5681606219. The next prime is 5681606237. The reversal of 5681606236 is 6326061865.

It is a junction number, because it is equal to n+sod(n) for n = 5681606192 and 5681606201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681606237) 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 as a sum of consecutive naturals, namely, 710200776 + ... + 710200783.

Almost surely, 2^5681606236 is an apocalyptic number.

It is an amenable number.

5681606236 is a deficient number, since it is larger than the sum of its proper divisors (4261204684).

5681606236 is a wasteful number, since it uses less digits than its factorization.

5681606236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420401563 (or 1420401561 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 5681606236 is about 75376.4302418203. The cubic root of 5681606236 is about 1784.3924507955.

The spelling of 5681606236 in words is "five billion, six hundred eighty-one million, six hundred six thousand, two hundred thirty-six".