68164089 has 16 divisors (see below), whose sum is σ = 103984512. Its totient is φ = 38907648.

The previous prime is 68164087. The next prime is 68164091. The reversal of 68164089 is 98046186.

It is an interprime number because it is at equal distance from previous prime (68164087) and next prime (68164091).

It is not a de Polignac number, because 68164089 - 2¹ = 68164087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68164089.

It is not an unprimeable number, because it can be changed into a prime (68164087) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35457 + ... + 37329.

It is an arithmetic number, because the mean of its divisors is an integer number (6499032).

Almost surely, 2^68164089 is an apocalyptic number.

It is an amenable number.

68164089 is a deficient number, since it is larger than the sum of its proper divisors (35820423).

68164089 is a wasteful number, since it uses less digits than its factorization.

68164089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 68164089 is about 8256.1546133778. The cubic root of 68164089 is about 408.4935575950.

The spelling of 68164089 in words is "sixty-eight million, one hundred sixty-four thousand, eighty-nine".