28361166 has 32 divisors (see below), whose sum is σ = 59630208. Its totient is φ = 8981280.

The previous prime is 28361161. The next prime is 28361171. The reversal of 28361166 is 66116382.

It is an interprime number because it is at equal distance from previous prime (28361161) and next prime (28361171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28361161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8061 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (1863444).

Almost surely, 2^28361166 is an apocalyptic number.

28361166 is an abundant number, since it is smaller than the sum of its proper divisors (31269042).

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

28361166 is a wasteful number, since it uses less digits than its factorization.

28361166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 10368, while the sum is 33.

The square root of 28361166 is about 5325.5202562754. The cubic root of 28361166 is about 304.9589338242.

The spelling of 28361166 in words is "twenty-eight million, three hundred sixty-one thousand, one hundred sixty-six".