5661472612 has 12 divisors (see below), whose sum is σ = 9939436416. Its totient is φ = 2821633640.

The previous prime is 5661472603. The next prime is 5661472631. The reversal of 5661472612 is 2162741665.

It is a happy number.

It is a super-2 number, since 2×5661472612² = 64104544272852205088, which contains 22 as substring.

It is an unprimeable number.

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, 2274268 + ... + 2276755.

It is an arithmetic number, because the mean of its divisors is an integer number (828286368).

Almost surely, 2^5661472612 is an apocalyptic number.

It is an amenable number.

5661472612 is a deficient number, since it is larger than the sum of its proper divisors (4277963804).

5661472612 is a wasteful number, since it uses less digits than its factorization.

5661472612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551338 (or 4551336 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 5661472612 is about 75242.7578707745. The cubic root of 5661472612 is about 1782.2822020589.

The spelling of 5661472612 in words is "five billion, six hundred sixty-one million, four hundred seventy-two thousand, six hundred twelve".