5665660651069 has 16 divisors (see below), whose sum is σ = 5762501377920. Its totient is φ = 5569297592320.

The previous prime is 5665660651067. The next prime is 5665660651073. The reversal of 5665660651069 is 9601560665665.

It is a cyclic number.

It is not a de Polignac number, because 5665660651069 - 2¹ = 5665660651067 is a prime.

It is a super-2 number, since 2×5665660651069² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5665660650998 and 5665660651016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665660651067) 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, 369596397 + ... + 369611725.

It is an arithmetic number, because the mean of its divisors is an integer number (360156336120).

Almost surely, 2^{5665660651069} is an apocalyptic number.

It is an amenable number.

5665660651069 is a deficient number, since it is larger than the sum of its proper divisors (96840726851).

5665660651069 is a wasteful number, since it uses less digits than its factorization.

5665660651069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30500.

The product of its (nonzero) digits is 52488000, while the sum is 61.

The spelling of 5665660651069 in words is "five trillion, six hundred sixty-five billion, six hundred sixty million, six hundred fifty-one thousand, sixty-nine".