68216165 has 8 divisors (see below), whose sum is σ = 81957408. Its totient is φ = 54507600.

The previous prime is 68216153. The next prime is 68216177. The reversal of 68216165 is 56161286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68216153) and next prime (68216177).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68216165 - 2⁶ = 68216101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3311 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (10244676).

Almost surely, 2^68216165 is an apocalyptic number.

It is an amenable number.

68216165 is a deficient number, since it is larger than the sum of its proper divisors (13741243).

68216165 is a wasteful number, since it uses less digits than its factorization.

68216165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16339.

The product of its digits is 17280, while the sum is 35.

The square root of 68216165 is about 8259.3077797113. The cubic root of 68216165 is about 408.5975580827.

The spelling of 68216165 in words is "sixty-eight million, two hundred sixteen thousand, one hundred sixty-five".