162368441776643 has 2 divisors, whose sum is σ = 162368441776644. Its totient is φ = 162368441776642.

The previous prime is 162368441776609. The next prime is 162368441776663. The reversal of 162368441776643 is 346677144863261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162368441776643 is a prime.

It is not a weakly prime, because it can be changed into another prime (162368441776663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81184220888321 + 81184220888322.

It is an arithmetic number, because the mean of its divisors is an integer number (81184220888322).

Almost surely, 2^{162368441776643} is an apocalyptic number.

162368441776643 is a deficient number, since it is larger than the sum of its proper divisors (1).

162368441776643 is an equidigital number, since it uses as much as digits as its factorization.

162368441776643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 585252864, while the sum is 68.

The spelling of 162368441776643 in words is "one hundred sixty-two trillion, three hundred sixty-eight billion, four hundred forty-one million, seven hundred seventy-six thousand, six hundred forty-three".