168066743 has 16 divisors (see below), whose sum is σ = 192326400. Its totient is φ = 145491456.

The previous prime is 168066737. The next prime is 168066757. The reversal of 168066743 is 347660861.

It is a cyclic number.

It is not a de Polignac number, because 168066743 - 2¹⁴ = 168050359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168066743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168066643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68858 + ... + 71256.

It is an arithmetic number, because the mean of its divisors is an integer number (12020400).

Almost surely, 2^168066743 is an apocalyptic number.

168066743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

168066743 is a deficient number, since it is larger than the sum of its proper divisors (24259657).

168066743 is a wasteful number, since it uses less digits than its factorization.

168066743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 168066743 is about 12964.0558082723. The cubic root of 168066743 is about 551.8578965845.

The spelling of 168066743 in words is "one hundred sixty-eight million, sixty-six thousand, seven hundred forty-three".