163905160128 has 28 divisors (see below), whose sum is σ = 433665736680. Its totient is φ = 54635053312.

The previous prime is 163905160127. The next prime is 163905160129. The reversal of 163905160128 is 821061509361.

It is an interprime number because it is at equal distance from previous prime (163905160127) and next prime (163905160129).

It is a self number, because there is not a number n which added to its sum of digits gives 163905160128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163905160121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426836163 + ... + 426836546.

Almost surely, 2^163905160128 is an apocalyptic number.

It is an amenable number.

163905160128 is an abundant number, since it is smaller than the sum of its proper divisors (269760576552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163905160128 is an equidigital number, since it uses as much as digits as its factorization.

163905160128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853672724 (or 853672714 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

Adding to 163905160128 its reverse (821061509361), we get a palindrome (984966669489).

The spelling of 163905160128 in words is "one hundred sixty-three billion, nine hundred five million, one hundred sixty thousand, one hundred twenty-eight".