163928051445 has 32 divisors (see below), whose sum is σ = 269948989440. Its totient is φ = 84910351680.

The previous prime is 163928051411. The next prime is 163928051447. The reversal of 163928051445 is 544150829361.

It is not a de Polignac number, because 163928051445 - 2¹⁶ = 163927985909 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163928051394 and 163928051403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163928051447) 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 in 31 ways as a sum of consecutive naturals, for example, 1077325 + ... + 1220034.

It is an arithmetic number, because the mean of its divisors is an integer number (8435905920).

Almost surely, 2^163928051445 is an apocalyptic number.

163928051445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163928051445 is a deficient number, since it is larger than the sum of its proper divisors (106020937995).

163928051445 is a wasteful number, since it uses less digits than its factorization.

163928051445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297505.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 163928051445 in words is "one hundred sixty-three billion, nine hundred twenty-eight million, fifty-one thousand, four hundred forty-five".