105216366 has 16 divisors (see below), whose sum is σ = 222811344. Its totient is φ = 33009024.

The previous prime is 105216359. The next prime is 105216367. The reversal of 105216366 is 663612501.

It is a super-2 number, since 2×105216366² = 22140967348491912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105216367) 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, 515665 + ... + 515868.

It is an arithmetic number, because the mean of its divisors is an integer number (13925709).

Almost surely, 2^105216366 is an apocalyptic number.

105216366 is an abundant number, since it is smaller than the sum of its proper divisors (117594978).

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

105216366 is a wasteful number, since it uses less digits than its factorization.

105216366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031555.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 105216366 is about 10257.5029125026. The cubic root of 105216366 is about 472.0932228727.

Adding to 105216366 its reverse (663612501), we get a palindrome (768828867).

The spelling of 105216366 in words is "one hundred five million, two hundred sixteen thousand, three hundred sixty-six".