163840104 has 32 divisors (see below), whose sum is σ = 455112000. Its totient is φ = 54613296.

The previous prime is 163840051. The next prime is 163840129. The reversal of 163840104 is 401048361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379044 + ... + 379475.

It is an arithmetic number, because the mean of its divisors is an integer number (14222250).

Almost surely, 2^163840104 is an apocalyptic number.

It is an amenable number.

163840104 is an abundant number, since it is smaller than the sum of its proper divisors (291271896).

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

163840104 is a wasteful number, since it uses less digits than its factorization.

163840104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758534 (or 758524 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 163840104 is about 12800.0040624994. The cubic root of 163840104 is about 547.1924187161.

Adding to 163840104 its reverse (401048361), we get a palindrome (564888465).

The spelling of 163840104 in words is "one hundred sixty-three million, eight hundred forty thousand, one hundred four".