68141666 has 8 divisors (see below), whose sum is σ = 103168080. Its totient is φ = 33752308.

The previous prime is 68141651. The next prime is 68141669. The reversal of 68141666 is 66614186.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (68141669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158996 + ... + 159423.

It is an arithmetic number, because the mean of its divisors is an integer number (12896010).

Almost surely, 2^68141666 is an apocalyptic number.

68141666 is a deficient number, since it is larger than the sum of its proper divisors (35026414).

68141666 is a wasteful number, since it uses less digits than its factorization.

68141666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318528.

The product of its digits is 41472, while the sum is 38.

The square root of 68141666 is about 8254.7965450397. The cubic root of 68141666 is about 408.4487605191.

The spelling of 68141666 in words is "sixty-eight million, one hundred forty-one thousand, six hundred sixty-six".