163951928112 has 320 divisors, whose sum is σ = 521818030080. Its totient is φ = 43312693248.

The previous prime is 163951928099. The next prime is 163951928113. The reversal of 163951928112 is 211829159361.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (163951928113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173127223 + ... + 173128169.

It is an arithmetic number, because the mean of its divisors is an integer number (1630681344).

Almost surely, 2^163951928112 is an apocalyptic number.

163951928112 is a gapful number since it is divisible by the number (12) 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 163951928112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260909015040).

163951928112 is an abundant number, since it is smaller than the sum of its proper divisors (357866101968).

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

163951928112 is a wasteful number, since it uses less digits than its factorization.

163951928112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1602 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The spelling of 163951928112 in words is "one hundred sixty-three billion, nine hundred fifty-one million, nine hundred twenty-eight thousand, one hundred twelve".