6565160056451 has 2 divisors, whose sum is σ = 6565160056452. Its totient is φ = 6565160056450.

The previous prime is 6565160056423. The next prime is 6565160056463. The reversal of 6565160056451 is 1546500615656.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6565160056451 - 2²² = 6565155862147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6565160056451.

It is not a weakly prime, because it can be changed into another prime (6565160050451) 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 as a sum of consecutive naturals, namely, 3282580028225 + 3282580028226.

It is an arithmetic number, because the mean of its divisors is an integer number (3282580028226).

Almost surely, 2^{6565160056451} is an apocalyptic number.

6565160056451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6565160056451 is an equidigital number, since it uses as much as digits as its factorization.

6565160056451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 6565160056451 in words is "six trillion, five hundred sixty-five billion, one hundred sixty million, fifty-six thousand, four hundred fifty-one".