68366143 has 8 divisors (see below), whose sum is σ = 71422848. Its totient is φ = 65316504.

The previous prime is 68366119. The next prime is 68366171. The reversal of 68366143 is 34166386.

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

It is not a de Polignac number, because 68366143 - 2¹³ = 68357951 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 (68366183) 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, 31780 + ... + 33862.

It is an arithmetic number, because the mean of its divisors is an integer number (8927856).

Almost surely, 2^68366143 is an apocalyptic number.

68366143 is a deficient number, since it is larger than the sum of its proper divisors (3056705).

68366143 is a wasteful number, since it uses less digits than its factorization.

68366143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its digits is 62208, while the sum is 37.

The square root of 68366143 is about 8268.3821271153. The cubic root of 68366143 is about 408.8967823179.

The spelling of 68366143 in words is "sixty-eight million, three hundred sixty-six thousand, one hundred forty-three".