16382172 has 12 divisors (see below), whose sum is σ = 38225096. Its totient is φ = 5460720.

The previous prime is 16382159. The next prime is 16382173. The reversal of 16382172 is 27128361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16382173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682579 + ... + 682602.

Almost surely, 2^16382172 is an apocalyptic number.

16382172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16382172 is an abundant number, since it is smaller than the sum of its proper divisors (21842924).

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

16382172 is a wasteful number, since it uses less digits than its factorization.

16382172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365188 (or 1365186 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 16382172 is about 4047.4895923276. The cubic root of 16382172 is about 253.9747221006.

The spelling of 16382172 in words is "sixteen million, three hundred eighty-two thousand, one hundred seventy-two".