163801541500 has 24 divisors (see below), whose sum is σ = 357742567728. Its totient is φ = 65520616400.

The previous prime is 163801541479. The next prime is 163801541521. The reversal of 163801541500 is 5145108361.

163801541500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163801541479) and next prime (163801541521).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163801042 + ... + 163802041.

It is an arithmetic number, because the mean of its divisors is an integer number (14905940322).

Almost surely, 2^163801541500 is an apocalyptic number.

163801541500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163801541500 is an abundant number, since it is smaller than the sum of its proper divisors (193941026228).

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

163801541500 is a wasteful number, since it uses less digits than its factorization.

163801541500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327603102 (or 327603090 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 163801541500 its reverse (5145108361), we get a palindrome (168946649861).

The spelling of 163801541500 in words is "one hundred sixty-three billion, eight hundred one million, five hundred forty-one thousand, five hundred".