163270744 has 128 divisors (see below), whose sum is σ = 403200000. Its totient is φ = 61471872.

The previous prime is 163270739. The next prime is 163270747. The reversal of 163270744 is 447072361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163270747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820357 + ... + 820555.

It is an arithmetic number, because the mean of its divisors is an integer number (3150000).

Almost surely, 2^163270744 is an apocalyptic number.

163270744 is a gapful number since it is divisible by the number (14) 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 163270744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201600000).

163270744 is an abundant number, since it is smaller than the sum of its proper divisors (239929256).

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

163270744 is a wasteful number, since it uses less digits than its factorization.

163270744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 163270744 is about 12777.7440888445. The cubic root of 163270744 is about 546.5578344389.

The spelling of 163270744 in words is "one hundred sixty-three million, two hundred seventy thousand, seven hundred forty-four".