163040166040387 has 2 divisors, whose sum is σ = 163040166040388. Its totient is φ = 163040166040386.

The previous prime is 163040166040357. The next prime is 163040166040399. The reversal of 163040166040387 is 783040661040361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163040166040387 - 2¹⁵ = 163040166007619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163040166040387.

It is not a weakly prime, because it can be changed into another prime (163040166040357) 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, 81520083020193 + 81520083020194.

It is an arithmetic number, because the mean of its divisors is an integer number (81520083020194).

Almost surely, 2^{163040166040387} is an apocalyptic number.

163040166040387 is a deficient number, since it is larger than the sum of its proper divisors (1).

163040166040387 is an equidigital number, since it uses as much as digits as its factorization.

163040166040387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 163040166040387 in words is "one hundred sixty-three trillion, forty billion, one hundred sixty-six million, forty thousand, three hundred eighty-seven".