168520026 has 8 divisors (see below), whose sum is σ = 337040064. Its totient is φ = 56173340.

The previous prime is 168520013. The next prime is 168520039. The reversal of 168520026 is 620025861.

It is an interprime number because it is at equal distance from previous prime (168520013) and next prime (168520039).

It is a sphenic number, since it is the product of 3 distinct primes.

168520026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 168519975 and 168520002.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14043330 + ... + 14043341.

It is an arithmetic number, because the mean of its divisors is an integer number (42130008).

Almost surely, 2^168520026 is an apocalyptic number.

168520026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168520026 is a wasteful number, since it uses less digits than its factorization.

168520026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28086676.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 168520026 is about 12981.5263355277. The cubic root of 168520026 is about 552.3535791300.

Adding to 168520026 its reverse (620025861), we get a palindrome (788545887).

The spelling of 168520026 in words is "one hundred sixty-eight million, five hundred twenty thousand, twenty-six".