163687040000000 has 448 divisors, whose sum is σ = 446410008749952. Its totient is φ = 59520000000000.

The previous prime is 163687039999949. The next prime is 163687040000017. The reversal of 163687040000000 is 40786361.

163687040000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7039988375 + ... + 7040011625.

Almost surely, 2^{163687040000000} is an apocalyptic number.

163687040000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163687040000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223205004374976).

163687040000000 is an abundant number, since it is smaller than the sum of its proper divisors (282722968749952).

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

163687040000000 is an frugal number, since it uses more digits than its factorization.

163687040000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23323 (or 23269 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 163687040000000 its reverse (40786361), we get a palindrome (163687080786361).

The spelling of 163687040000000 in words is "one hundred sixty-three trillion, six hundred eighty-seven billion, forty million", and thus it is an aban number.