7166172 has 48 divisors (see below), whose sum is σ = 18289152. Its totient is φ = 2170560.

The previous prime is 7166171. The next prime is 7166209. The reversal of 7166172 is 2716617.

It is a happy number.

It is a super-2 number, since 2×7166172² = 102708042267168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7166171) 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 15 ways as a sum of consecutive naturals, for example, 10753 + ... + 11399.

It is an arithmetic number, because the mean of its divisors is an integer number (381024).

Almost surely, 2^7166172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7166172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9144576).

7166172 is an abundant number, since it is smaller than the sum of its proper divisors (11122980).

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

7166172 is a wasteful number, since it uses less digits than its factorization.

7166172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 736 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 7166172 is about 2676.9706759694. The cubic root of 7166172 is about 192.7949893385.

The spelling of 7166172 in words is "seven million, one hundred sixty-six thousand, one hundred seventy-two".