5665165506057 has 4 divisors (see below), whose sum is σ = 7553554008080. Its totient is φ = 3776777004036.

The previous prime is 5665165506047. The next prime is 5665165506083. The reversal of 5665165506057 is 7506055615665.

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 not a de Polignac number, because 5665165506057 - 2⁴ = 5665165506041 is a prime.

It is a super-2 number, since 2×5665165506057² (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 = 5665165505988 and 5665165506006.

It is not an unprimeable number, because it can be changed into a prime (5665165506017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944194251007 + ... + 944194251012.

It is an arithmetic number, because the mean of its divisors is an integer number (1888388502020).

Almost surely, 2^{5665165506057} is an apocalyptic number.

It is an amenable number.

5665165506057 is a deficient number, since it is larger than the sum of its proper divisors (1888388502023).

5665165506057 is a wasteful number, since it uses less digits than its factorization.

5665165506057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888388502022.

The product of its (nonzero) digits is 28350000, while the sum is 57.

The spelling of 5665165506057 in words is "five trillion, six hundred sixty-five billion, one hundred sixty-five million, five hundred six thousand, fifty-seven".