168130834 has 4 divisors (see below), whose sum is σ = 252196254. Its totient is φ = 84065416.

The previous prime is 168130813. The next prime is 168130841. The reversal of 168130834 is 438031861.

168130834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438031861 = 929 ⋅471509.

It can be written as a sum of positive squares in only one way, i.e., 165251025 + 2879809 = 12855^2 + 1697^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168130834.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 42032707 + ... + 42032710.

Almost surely, 2^168130834 is an apocalyptic number.

168130834 is a deficient number, since it is larger than the sum of its proper divisors (84065420).

168130834 is an equidigital number, since it uses as much as digits as its factorization.

168130834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84065419.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 168130834 is about 12966.5274456965. The cubic root of 168130834 is about 551.9280366349.

The spelling of 168130834 in words is "one hundred sixty-eight million, one hundred thirty thousand, eight hundred thirty-four".