5660363621 has 4 divisors (see below), whose sum is σ = 6174942144. Its totient is φ = 5145785100.

The previous prime is 5660363593. The next prime is 5660363623. The reversal of 5660363621 is 1263630665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5660363621 - 2⁶ = 5660363557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5660363623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257289245 + ... + 257289266.

It is an arithmetic number, because the mean of its divisors is an integer number (1543735536).

Almost surely, 2^5660363621 is an apocalyptic number.

It is an amenable number.

5660363621 is a deficient number, since it is larger than the sum of its proper divisors (514578523).

5660363621 is a wasteful number, since it uses less digits than its factorization.

5660363621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514578522.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 5660363621 is about 75235.3880896483. The cubic root of 5660363621 is about 1782.1658210318.

The spelling of 5660363621 in words is "five billion, six hundred sixty million, three hundred sixty-three thousand, six hundred twenty-one".