1607121565463 has 2 divisors, whose sum is σ = 1607121565464. Its totient is φ = 1607121565462.

The previous prime is 1607121565447. The next prime is 1607121565477. The reversal of 1607121565463 is 3645651217061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1607121565463 - 2⁴ = 1607121565447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1607121565163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803560782731 + 803560782732.

It is an arithmetic number, because the mean of its divisors is an integer number (803560782732).

Almost surely, 2^{1607121565463} is an apocalyptic number.

1607121565463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1607121565463 is an equidigital number, since it uses as much as digits as its factorization.

1607121565463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 1607121565463 in words is "one trillion, six hundred seven billion, one hundred twenty-one million, five hundred sixty-five thousand, four hundred sixty-three".