163604043003540 has 48 divisors (see below), whose sum is σ = 473887572842880. Its totient is φ = 42123339807360.

The previous prime is 163604043003503. The next prime is 163604043003553. The reversal of 163604043003540 is 45300340406361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47012654296 + ... + 47012657775.

It is an arithmetic number, because the mean of its divisors is an integer number (9872657767560).

Almost surely, 2^{163604043003540} is an apocalyptic number.

163604043003540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163604043003540 is an abundant number, since it is smaller than the sum of its proper divisors (310283529839340).

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

163604043003540 is a wasteful number, since it uses less digits than its factorization.

163604043003540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94025312112 (or 94025312110 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 163604043003540 in words is "one hundred sixty-three trillion, six hundred four billion, forty-three million, three thousand, five hundred forty".