163621104404104 has 16 divisors (see below), whose sum is σ = 320128247747520. Its totient is φ = 78253571671440.

The previous prime is 163621104404071. The next prime is 163621104404183. The reversal of 163621104404104 is 401404401126361.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 444622566132 + ... + 444622566499.

It is an arithmetic number, because the mean of its divisors is an integer number (20008015484220).

Almost surely, 2^{163621104404104} is an apocalyptic number.

It is an amenable number.

163621104404104 is a deficient number, since it is larger than the sum of its proper divisors (156507143343416).

163621104404104 is a wasteful number, since it uses less digits than its factorization.

163621104404104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889245132660 (or 889245132656 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 163621104404104 in words is "one hundred sixty-three trillion, six hundred twenty-one billion, one hundred four million, four hundred four thousand, one hundred four".