5660365021 has 16 divisors (see below), whose sum is σ = 6033616128. Its totient is φ = 5298832000.

The previous prime is 5660365019. The next prime is 5660365057. The reversal of 5660365021 is 1205630665.

It is not a de Polignac number, because 5660365021 - 2¹ = 5660365019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5660365001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211071 + ... + 236371.

It is an arithmetic number, because the mean of its divisors is an integer number (377101008).

Almost surely, 2^5660365021 is an apocalyptic number.

It is an amenable number.

5660365021 is a deficient number, since it is larger than the sum of its proper divisors (373251107).

5660365021 is a wasteful number, since it uses less digits than its factorization.

5660365021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25532.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 5660365021 is about 75235.3973937800. The cubic root of 5660365021 is about 1782.1659679618.

Adding to 5660365021 its reverse (1205630665), we get a palindrome (6865995686).

The spelling of 5660365021 in words is "five billion, six hundred sixty million, three hundred sixty-five thousand, twenty-one".