28176160 has 48 divisors (see below), whose sum is σ = 66943800. Its totient is φ = 11206656.

The previous prime is 28176149. The next prime is 28176167. The reversal of 28176160 is 6167182.

It can be written as a sum of positive squares in 4 ways, for example, as 26337424 + 1838736 = 5132^2 + 1356^2 .

It is not an unprimeable number, because it can be changed into a prime (28176167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36256 + ... + 37024.

Almost surely, 2^28176160 is an apocalyptic number.

28176160 is a gapful number since it is divisible by the number (20) 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 28176160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33471900).

28176160 is an abundant number, since it is smaller than the sum of its proper divisors (38767640).

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

28176160 is a wasteful number, since it uses less digits than its factorization.

28176160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 28176160 is about 5308.1220784756. The cubic root of 28176160 is about 304.2943824289.

The spelling of 28176160 in words is "twenty-eight million, one hundred seventy-six thousand, one hundred sixty".