163838502 has 12 divisors (see below), whose sum is σ = 354983460. Its totient is φ = 54612828.

The previous prime is 163838489. The next prime is 163838513. The reversal of 163838502 is 205838361.

163838502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4551052 + ... + 4551087.

It is an arithmetic number, because the mean of its divisors is an integer number (29581955).

Almost surely, 2^163838502 is an apocalyptic number.

163838502 is an abundant number, since it is smaller than the sum of its proper divisors (191144958).

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

163838502 is a wasteful number, since it uses less digits than its factorization.

163838502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102147 (or 9102144 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 163838502 is about 12799.9414842412. The cubic root of 163838502 is about 547.1906352596.

The spelling of 163838502 in words is "one hundred sixty-three million, eight hundred thirty-eight thousand, five hundred two".