168368703667 has 4 divisors (see below), whose sum is σ = 168371277480. Its totient is φ = 168366129856.

The previous prime is 168368703641. The next prime is 168368703689. The reversal of 168368703667 is 766307863861.

168368703667 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 168368703667 - 2⁷ = 168368703539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168368703617) 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, 1186153 + ... + 1320490.

It is an arithmetic number, because the mean of its divisors is an integer number (42092819370).

Almost surely, 2^168368703667 is an apocalyptic number.

168368703667 is a deficient number, since it is larger than the sum of its proper divisors (2573813).

168368703667 is an equidigital number, since it uses as much as digits as its factorization.

168368703667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573812.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 168368703667 in words is "one hundred sixty-eight billion, three hundred sixty-eight million, seven hundred three thousand, six hundred sixty-seven".