168766625506 has 8 divisors (see below), whose sum is σ = 266473619280. Its totient is φ = 79942085748.

The previous prime is 168766625399. The next prime is 168766625507. The reversal of 168766625506 is 605526667861.

168766625506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (168766625507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220613456 + ... + 2220613531.

It is an arithmetic number, because the mean of its divisors is an integer number (33309202410).

Almost surely, 2^168766625506 is an apocalyptic number.

168766625506 is a deficient number, since it is larger than the sum of its proper divisors (97706993774).

168766625506 is a wasteful number, since it uses less digits than its factorization.

168766625506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441227008.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 168766625506 in words is "one hundred sixty-eight billion, seven hundred sixty-six million, six hundred twenty-five thousand, five hundred six".