68164943143 has 8 divisors (see below), whose sum is σ = 74363990400. Its totient is φ = 61966268280.

The previous prime is 68164943107. The next prime is 68164943167. The reversal of 68164943143 is 34134946186.

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

It is a cyclic number.

It is not a de Polignac number, because 68164943143 - 2⁹ = 68164942631 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 (68164943173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405996 + ... + 548782.

It is an arithmetic number, because the mean of its divisors is an integer number (9295498800).

Almost surely, 2^68164943143 is an apocalyptic number.

68164943143 is a deficient number, since it is larger than the sum of its proper divisors (6199047257).

68164943143 is a wasteful number, since it uses less digits than its factorization.

68164943143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186197.

The product of its digits is 1492992, while the sum is 49.

The spelling of 68164943143 in words is "sixty-eight billion, one hundred sixty-four million, nine hundred forty-three thousand, one hundred forty-three".