163044059987 has 2 divisors, whose sum is σ = 163044059988. Its totient is φ = 163044059986.

The previous prime is 163044059957. The next prime is 163044060077. The reversal of 163044059987 is 789950440361.

It is a weak prime.

It is an emirp because it is prime and its reverse (789950440361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163044059987 - 2²² = 163039865683 is a prime.

It is not a weakly prime, because it can be changed into another prime (163044059917) 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, 81522029993 + 81522029994.

It is an arithmetic number, because the mean of its divisors is an integer number (81522029994).

Almost surely, 2^163044059987 is an apocalyptic number.

163044059987 is a deficient number, since it is larger than the sum of its proper divisors (1).

163044059987 is an equidigital number, since it uses as much as digits as its factorization.

163044059987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 163044059987 in words is "one hundred sixty-three billion, forty-four million, fifty-nine thousand, nine hundred eighty-seven".