7165668 has 48 divisors (see below), whose sum is σ = 17640000. Its totient is φ = 2260608.

The previous prime is 7165663. The next prime is 7165699. The reversal of 7165668 is 8665617.

It is not an unprimeable number, because it can be changed into a prime (7165661) 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, 20358 + ... + 20706.

It is an arithmetic number, because the mean of its divisors is an integer number (367500).

Almost surely, 2^7165668 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 7165668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8820000).

7165668 is an abundant number, since it is smaller than the sum of its proper divisors (10474332).

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

7165668 is a wasteful number, since it uses less digits than its factorization.

7165668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 442 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 7165668 is about 2676.8765380570. The cubic root of 7165668 is about 192.7904694473.

The spelling of 7165668 in words is "seven million, one hundred sixty-five thousand, six hundred sixty-eight".