5660621659 has 24 divisors (see below), whose sum is σ = 7254616176. Its totient is φ = 4367160000.

The previous prime is 5660621647. The next prime is 5660621671. The reversal of 5660621659 is 9561260665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5660621647) and next prime (5660621671).

It is not a de Polignac number, because 5660621659 - 2¹¹ = 5660619611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5660621959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2449 + ... + 106429.

It is an arithmetic number, because the mean of its divisors is an integer number (302275674).

Almost surely, 2^5660621659 is an apocalyptic number.

5660621659 is a deficient number, since it is larger than the sum of its proper divisors (1593994517).

5660621659 is a wasteful number, since it uses less digits than its factorization.

5660621659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104107 (or 104100 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 5660621659 is about 75237.1029413015. The cubic root of 5660621659 is about 1782.1929017135.

The spelling of 5660621659 in words is "five billion, six hundred sixty million, six hundred twenty-one thousand, six hundred fifty-nine".