68316165 has 12 divisors (see below), whose sum is σ = 118414764. Its totient is φ = 36435264.

The previous prime is 68316161. The next prime is 68316169. The reversal of 68316165 is 56161386.

It is a happy number.

68316165 is a `hidden beast` number, since 6 + 8 + 31 + 616 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (68316161) and next prime (68316169).

It can be written as a sum of positive squares in 2 ways, for example, as 36978561 + 31337604 = 6081^2 + 5598^2 .

It is not a de Polignac number, because 68316165 - 2² = 68316161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68316161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759024 + ... + 759113.

It is an arithmetic number, because the mean of its divisors is an integer number (9867897).

Almost surely, 2^68316165 is an apocalyptic number.

It is an amenable number.

68316165 is a deficient number, since it is larger than the sum of its proper divisors (50098599).

68316165 is a wasteful number, since it uses less digits than its factorization.

68316165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518148 (or 1518145 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 68316165 is about 8265.3593388310. The cubic root of 68316165 is about 408.7971188282.

It can be divided in two parts, 6831 and 6165, that added together give a square (12996 = 114²).

The spelling of 68316165 in words is "sixty-eight million, three hundred sixteen thousand, one hundred sixty-five".