68146169 has 16 divisors (see below), whose sum is σ = 85131648. Its totient is φ = 53108352.

The previous prime is 68146163. The next prime is 68146189. The reversal of 68146169 is 96164186.

It is a cyclic number.

It is not a de Polignac number, because 68146169 - 2¹² = 68142073 is a prime.

It is a super-2 number, since 2×68146169² = 9287800698753122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68146163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509 + ... + 11685.

It is an arithmetic number, because the mean of its divisors is an integer number (5320728).

Almost surely, 2^68146169 is an apocalyptic number.

It is an amenable number.

68146169 is a deficient number, since it is larger than the sum of its proper divisors (16985479).

68146169 is a wasteful number, since it uses less digits than its factorization.

68146169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264.

The product of its digits is 62208, while the sum is 41.

The square root of 68146169 is about 8255.0692910478. The cubic root of 68146169 is about 408.4577574827.

The spelling of 68146169 in words is "sixty-eight million, one hundred forty-six thousand, one hundred sixty-nine".