163768631180 has 48 divisors (see below), whose sum is σ = 428776056576. Its totient is φ = 51044767680.

The previous prime is 163768631161. The next prime is 163768631189. The reversal of 163768631180 is 81136867361.

It is a super-3 number, since 3×163768631180³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (163768631189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53170094 + ... + 53173173.

It is an arithmetic number, because the mean of its divisors is an integer number (8932834512).

Almost surely, 2^163768631180 is an apocalyptic number.

163768631180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163768631180 is an abundant number, since it is smaller than the sum of its proper divisors (265007425396).

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

163768631180 is a wasteful number, since it uses less digits than its factorization.

163768631180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106343294 (or 106343292 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 163768631180 in words is "one hundred sixty-three billion, seven hundred sixty-eight million, six hundred thirty-one thousand, one hundred eighty".