163440161602004 has 24 divisors (see below), whose sum is σ = 337424849760768. Its totient is φ = 67786242138720.

The previous prime is 163440161602001. The next prime is 163440161602019. The reversal of 163440161602004 is 400206161044361.

163440161602004 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 not an unprimeable number, because it can be changed into a prime (163440161602001) 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, 94147557659 + ... + 94147559394.

It is an arithmetic number, because the mean of its divisors is an integer number (14059368740032).

Almost surely, 2^{163440161602004} is an apocalyptic number.

163440161602004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163440161602004 is an abundant number, since it is smaller than the sum of its proper divisors (173984688158764).

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

163440161602004 is a wasteful number, since it uses less digits than its factorization.

163440161602004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188295117095 (or 188295117093 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 163440161602004 in words is "one hundred sixty-three trillion, four hundred forty billion, one hundred sixty-one million, six hundred two thousand, four".