16273332 has 48 divisors (see below), whose sum is σ = 43001280. Its totient is φ = 5320224.

The previous prime is 16273331. The next prime is 16273337. The reversal of 16273332 is 23337261.

16273332 is a `hidden beast` number, since 1 + 627 + 3 + 3 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16273296 and 16273305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4303 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 2^16273332 is an apocalyptic number.

16273332 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 16273332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21500640).

16273332 is an abundant number, since it is smaller than the sum of its proper divisors (26727948).

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

16273332 is a wasteful number, since it uses less digits than its factorization.

16273332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2901 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 16273332 is about 4034.0218145171. The cubic root of 16273332 is about 253.4110188036.

The spelling of 16273332 in words is "sixteen million, two hundred seventy-three thousand, three hundred thirty-two".