163506544131040 has 48 divisors (see below), whose sum is σ = 421400956924080. Its totient is φ = 59456925137920.

The previous prime is 163506544131013. The next prime is 163506544131043. The reversal of 163506544131040 is 40131445605361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163506544131043) 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, 46450721005 + ... + 46450724524.

It is an arithmetic number, because the mean of its divisors is an integer number (8779186602585).

Almost surely, 2^{163506544131040} is an apocalyptic number.

163506544131040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163506544131040 is an abundant number, since it is smaller than the sum of its proper divisors (257894412793040).

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

163506544131040 is a wasteful number, since it uses less digits than its factorization.

163506544131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92901445555 (or 92901445547 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 163506544131040 in words is "one hundred sixty-three trillion, five hundred six billion, five hundred forty-four million, one hundred thirty-one thousand, forty".