84305166 has 128 divisors (see below), whose sum is σ = 210124800. Its totient is φ = 22239360.

The previous prime is 84305153. The next prime is 84305167. The reversal of 84305166 is 66150348.

It is a super-2 number, since 2×84305166² = 14214722028575112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84305167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1067115 + ... + 1067193.

It is an arithmetic number, because the mean of its divisors is an integer number (1641600).

Almost surely, 2^84305166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84305166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105062400).

84305166 is an abundant number, since it is smaller than the sum of its proper divisors (125819634).

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

84305166 is a wasteful number, since it uses less digits than its factorization.

84305166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 84305166 is about 9181.7844670848. The cubic root of 84305166 is about 438.4816223819.

The spelling of 84305166 in words is "eighty-four million, three hundred five thousand, one hundred sixty-six".