163928029 has 16 divisors (see below), whose sum is σ = 176647680. Its totient is φ = 151660080.

The previous prime is 163928027. The next prime is 163928069. The reversal of 163928029 is 920829361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163928029 - 2¹ = 163928027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163927982 and 163928000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163928027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166272 + ... + 167254.

It is an arithmetic number, because the mean of its divisors is an integer number (11040480).

Almost surely, 2^163928029 is an apocalyptic number.

163928029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

163928029 is a deficient number, since it is larger than the sum of its proper divisors (12719651).

163928029 is a wasteful number, since it uses less digits than its factorization.

163928029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 163928029 is about 12803.4381710539. The cubic root of 163928029 is about 547.2902850471.

The spelling of 163928029 in words is "one hundred sixty-three million, nine hundred twenty-eight thousand, twenty-nine".