168650164 has 6 divisors (see below), whose sum is σ = 295137794. Its totient is φ = 84325080.

The previous prime is 168650161. The next prime is 168650173. The reversal of 168650164 is 461056861.

168650164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 110250000 + 58400164 = 10500^2 + 7642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168650161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21081267 + ... + 21081274.

Almost surely, 2^168650164 is an apocalyptic number.

It is an amenable number.

168650164 is a deficient number, since it is larger than the sum of its proper divisors (126487630).

168650164 is a wasteful number, since it uses less digits than its factorization.

168650164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42162545 (or 42162543 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 168650164 is about 12986.5377988130. The cubic root of 168650164 is about 552.4957258257.

The spelling of 168650164 in words is "one hundred sixty-eight million, six hundred fifty thousand, one hundred sixty-four".