67116165 has 16 divisors (see below), whose sum is σ = 109147776. Its totient is φ = 35208000.

The previous prime is 67116157. The next prime is 67116169. The reversal of 67116165 is 56161176.

It is not a de Polignac number, because 67116165 - 2³ = 67116157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67116169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35761 + ... + 37590.

It is an arithmetic number, because the mean of its divisors is an integer number (6821736).

Almost surely, 2^67116165 is an apocalyptic number.

It is an amenable number.

67116165 is a deficient number, since it is larger than the sum of its proper divisors (42031611).

67116165 is a wasteful number, since it uses less digits than its factorization.

67116165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73420.

The product of its digits is 7560, while the sum is 33.

The square root of 67116165 is about 8192.4456055564. The cubic root of 67116165 is about 406.3894057271.

It can be divided in two parts, 671 and 16165, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 67116165 in words is "sixty-seven million, one hundred sixteen thousand, one hundred sixty-five".