163068137472 has 104 divisors (see below), whose sum is σ = 435903526816. Its totient is φ = 54217506816.

The previous prime is 163068137461. The next prime is 163068137473. The reversal of 163068137472 is 274731860361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163068137473) 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 7 ways as a sum of consecutive naturals, for example, 4861623 + ... + 4895049.

Almost surely, 2^163068137472 is an apocalyptic number.

163068137472 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 163068137472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217951763408).

163068137472 is an abundant number, since it is smaller than the sum of its proper divisors (272835389344).

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

163068137472 is an equidigital number, since it uses as much as digits as its factorization.

163068137472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33851 (or 33829 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 163068137472 in words is "one hundred sixty-three billion, sixty-eight million, one hundred thirty-seven thousand, four hundred seventy-two".