4165664225587 has 2 divisors, whose sum is σ = 4165664225588. Its totient is φ = 4165664225586.

The previous prime is 4165664225543. The next prime is 4165664225669. The reversal of 4165664225587 is 7855224665614.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4165664225587 is a prime.

It is not a weakly prime, because it can be changed into another prime (4165664225537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082832112793 + 2082832112794.

It is an arithmetic number, because the mean of its divisors is an integer number (2082832112794).

Almost surely, 2^{4165664225587} is an apocalyptic number.

4165664225587 is a deficient number, since it is larger than the sum of its proper divisors (1).

4165664225587 is an equidigital number, since it uses as much as digits as its factorization.

4165664225587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768000, while the sum is 61.

The spelling of 4165664225587 in words is "four trillion, one hundred sixty-five billion, six hundred sixty-four million, two hundred twenty-five thousand, five hundred eighty-seven".