163078272 has 288 divisors, whose sum is σ = 571399920. Its totient is φ = 46158336.

The previous prime is 163078247. The next prime is 163078309. The reversal of 163078272 is 272870361.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1524043 + ... + 1524149.

Almost surely, 2^163078272 is an apocalyptic number.

163078272 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 163078272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285699960).

163078272 is an abundant number, since it is smaller than the sum of its proper divisors (408321648).

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

163078272 is an equidigital number, since it uses as much as digits as its factorization.

163078272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 163078272 is about 12770.2103349945. The cubic root of 163078272 is about 546.3429797722.

163078272 divided by its product of nonzero digits (28224) gives a triangular number (5778 = T₁₀₇).

The spelling of 163078272 in words is "one hundred sixty-three million, seventy-eight thousand, two hundred seventy-two".