5661751208 has 16 divisors (see below), whose sum is σ = 11077339680. Its totient is φ = 2707793968.

The previous prime is 5661751181. The next prime is 5661751217. The reversal of 5661751208 is 8021571665.

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 3 ways as a sum of consecutive naturals, for example, 15385010 + ... + 15385377.

It is an arithmetic number, because the mean of its divisors is an integer number (692333730).

Almost surely, 2^5661751208 is an apocalyptic number.

It is an amenable number.

5661751208 is a deficient number, since it is larger than the sum of its proper divisors (5415588472).

5661751208 is a wasteful number, since it uses less digits than its factorization.

5661751208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30770416 (or 30770412 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 5661751208 is about 75244.6091623845. The cubic root of 5661751208 is about 1782.3114364167.

The spelling of 5661751208 in words is "five billion, six hundred sixty-one million, seven hundred fifty-one thousand, two hundred eight".