16272320 has 56 divisors (see below), whose sum is σ = 39093648. Its totient is φ = 6451200.

The previous prime is 16272317. The next prime is 16272329. The reversal of 16272320 is 2327261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16272329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67400 + ... + 67640.

Almost surely, 2^16272320 is an apocalyptic number.

16272320 is a gapful number since it is divisible by the number (10) 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 16272320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19546824).

16272320 is an abundant number, since it is smaller than the sum of its proper divisors (22821328).

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

16272320 is a wasteful number, since it uses less digits than its factorization.

16272320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 16272320 is about 4033.8963794327. The cubic root of 16272320 is about 253.4057656842.

Adding to 16272320 its reverse (2327261), we get a palindrome (18599581).

The spelling of 16272320 in words is "sixteen million, two hundred seventy-two thousand, three hundred twenty".