163339931899 has 16 divisors (see below), whose sum is σ = 173663632800. Its totient is φ = 153192162816.

The previous prime is 163339931873. The next prime is 163339931971. The reversal of 163339931899 is 998139933361.

163339931899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 163339931899 - 2⁹ = 163339931387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163339931899.

It is not an unprimeable number, because it can be changed into a prime (163339931819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786797 + ... + 1875985.

It is an arithmetic number, because the mean of its divisors is an integer number (10853977050).

Almost surely, 2^163339931899 is an apocalyptic number.

163339931899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

163339931899 is a deficient number, since it is larger than the sum of its proper divisors (10323700901).

163339931899 is a wasteful number, since it uses less digits than its factorization.

163339931899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90174.

The product of its digits is 25509168, while the sum is 64.

The spelling of 163339931899 in words is "one hundred sixty-three billion, three hundred thirty-nine million, nine hundred thirty-one thousand, eight hundred ninety-nine".