5660621643 has 8 divisors (see below), whose sum is σ = 7559272656. Its totient is φ = 3767859200.

The previous prime is 5660621623. The next prime is 5660621647. The reversal of 5660621643 is 3461260665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5660621643 - 2¹⁴ = 5660605259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5660621647) 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 in 7 ways as a sum of consecutive naturals, for example, 1469898 + ... + 1473743.

It is an arithmetic number, because the mean of its divisors is an integer number (944909082).

Almost surely, 2^5660621643 is an apocalyptic number.

5660621643 is a deficient number, since it is larger than the sum of its proper divisors (1898651013).

5660621643 is a wasteful number, since it uses less digits than its factorization.

5660621643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944285.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 5660621643 is about 75237.1028349710. The cubic root of 5660621643 is about 1782.1929000343.

The spelling of 5660621643 in words is "five billion, six hundred sixty million, six hundred twenty-one thousand, six hundred forty-three".