5661641248 has 24 divisors (see below), whose sum is σ = 11226554640. Its totient is φ = 2810452800.

The previous prime is 5661641231. The next prime is 5661641287. The reversal of 5661641248 is 8421461665.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631978 + ... + 640873.

It is an arithmetic number, because the mean of its divisors is an integer number (467773110).

Almost surely, 2^5661641248 is an apocalyptic number.

It is an amenable number.

5661641248 is a deficient number, since it is larger than the sum of its proper divisors (5564913392).

5661641248 is a wasteful number, since it uses less digits than its factorization.

5661641248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273000 (or 1272992 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 5661641248 is about 75243.8784752620. The cubic root of 5661641248 is about 1782.2998979234.

The spelling of 5661641248 in words is "five billion, six hundred sixty-one million, six hundred forty-one thousand, two hundred forty-eight".