162378400065247 has 2 divisors, whose sum is σ = 162378400065248. Its totient is φ = 162378400065246.

The previous prime is 162378400065229. The next prime is 162378400065293. The reversal of 162378400065247 is 742560004873261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162378400065247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162378400069247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81189200032623 + 81189200032624.

It is an arithmetic number, because the mean of its divisors is an integer number (81189200032624).

Almost surely, 2^{162378400065247} is an apocalyptic number.

162378400065247 is a deficient number, since it is larger than the sum of its proper divisors (1).

162378400065247 is an equidigital number, since it uses as much as digits as its factorization.

162378400065247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 162378400065247 in words is "one hundred sixty-two trillion, three hundred seventy-eight billion, four hundred million, sixty-five thousand, two hundred forty-seven".