168240046967 has 16 divisors (see below), whose sum is σ = 178497551232. Its totient is φ = 158022950400.

The previous prime is 168240046963. The next prime is 168240046979. The reversal of 168240046967 is 769640042861.

It is a cyclic number.

It is not a de Polignac number, because 168240046967 - 2² = 168240046963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168240046963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27251093 + ... + 27257265.

It is an arithmetic number, because the mean of its divisors is an integer number (11156096952).

Almost surely, 2^168240046967 is an apocalyptic number.

168240046967 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

168240046967 is a deficient number, since it is larger than the sum of its proper divisors (10257504265).

168240046967 is a wasteful number, since it uses less digits than its factorization.

168240046967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9178.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 168240046967 in words is "one hundred sixty-eight billion, two hundred forty million, forty-six thousand, nine hundred sixty-seven".