106321365 has 24 divisors (see below), whose sum is σ = 185522688. Its totient is φ = 56325600.

The previous prime is 106321343. The next prime is 106321367. The reversal of 106321365 is 563123601.

106321365 is a `hidden beast` number, since 10 + 632 + 13 + 6 + 5 = 666.

It is not a de Polignac number, because 106321365 - 2¹⁵ = 106288597 is a prime.

It is a super-2 number, since 2×106321365² = 22608465310926450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106321367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1029 + ... + 14618.

It is an arithmetic number, because the mean of its divisors is an integer number (7730112).

Almost surely, 2^106321365 is an apocalyptic number.

106321365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106321365 is a deficient number, since it is larger than the sum of its proper divisors (79201323).

106321365 is a wasteful number, since it uses less digits than its factorization.

106321365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15809 (or 15806 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 106321365 is about 10311.2251939331. The cubic root of 106321365 is about 473.7401368957.

Adding to 106321365 its reverse (563123601), we get a palindrome (669444966).

The spelling of 106321365 in words is "one hundred six million, three hundred twenty-one thousand, three hundred sixty-five".