163900104 has 32 divisors (see below), whose sum is σ = 412984320. Its totient is φ = 54202176.

The previous prime is 163900091. The next prime is 163900127. The reversal of 163900104 is 401009361.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23839 + ... + 29934.

It is an arithmetic number, because the mean of its divisors is an integer number (12905760).

Almost surely, 2^163900104 is an apocalyptic number.

It is an amenable number.

163900104 is an abundant number, since it is smaller than the sum of its proper divisors (249084216).

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

163900104 is a wasteful number, since it uses less digits than its factorization.

163900104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53909 (or 53905 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 163900104 is about 12802.3475972183. The cubic root of 163900104 is about 547.2592064712.

Adding to 163900104 its reverse (401009361), we get a palindrome (564909465).

The spelling of 163900104 in words is "one hundred sixty-three million, nine hundred thousand, one hundred four".