7320166 has 16 divisors (see below), whose sum is σ = 13287456. Its totient is φ = 2952576.

The previous prime is 7320133. The next prime is 7320169. The reversal of 7320166 is 6610237.

It is a self number, because there is not a number n which added to its sum of digits gives 7320166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15141 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (830466).

Almost surely, 2^7320166 is an apocalyptic number.

7320166 is a deficient number, since it is larger than the sum of its proper divisors (5967290).

7320166 is a wasteful number, since it uses less digits than its factorization.

7320166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30783.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 7320166 is about 2705.5805292026. The cubic root of 7320166 is about 194.1662053894.

The spelling of 7320166 in words is "seven million, three hundred twenty thousand, one hundred sixty-six".