16166472 has 96 divisors (see below), whose sum is σ = 48016800. Its totient is φ = 4521216.

The previous prime is 16166471. The next prime is 16166477. The reversal of 16166472 is 27466161.

It is a super-2 number, since 2×16166472² = 522709633853568, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16166471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69268 + ... + 69500.

It is an arithmetic number, because the mean of its divisors is an integer number (500175).

Almost surely, 2^16166472 is an apocalyptic number.

16166472 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 16166472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24008400).

16166472 is an abundant number, since it is smaller than the sum of its proper divisors (31850328).

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

16166472 is a wasteful number, since it uses less digits than its factorization.

16166472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 304 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 16166472 is about 4020.7551529532. The cubic root of 16166472 is about 252.8551197040.

The spelling of 16166472 in words is "sixteen million, one hundred sixty-six thousand, four hundred seventy-two".