163875803 has 8 divisors (see below), whose sum is σ = 201693408. Its totient is φ = 129659904.

The previous prime is 163875791. The next prime is 163875809. The reversal of 163875803 is 308578361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163875803 - 2¹⁰ = 163874779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163875809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900326 + ... + 900507.

It is an arithmetic number, because the mean of its divisors is an integer number (25211676).

Almost surely, 2^163875803 is an apocalyptic number.

163875803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163875803 is a deficient number, since it is larger than the sum of its proper divisors (37817605).

163875803 is a wasteful number, since it uses less digits than its factorization.

163875803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800853.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 163875803 is about 12801.3984782913. The cubic root of 163875803 is about 547.2321582815.

The spelling of 163875803 in words is "one hundred sixty-three million, eight hundred seventy-five thousand, eight hundred three".