68488664666246 has 16 divisors (see below), whose sum is σ = 112072607244288. Its totient is φ = 31131142633800.

The previous prime is 68488664666221. The next prime is 68488664666267. The reversal of 68488664666246 is 64266646688486.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7568891 + ... + 13937913.

It is an arithmetic number, because the mean of its divisors is an integer number (7004537952768).

Almost surely, 2^{68488664666246} is an apocalyptic number.

68488664666246 is a deficient number, since it is larger than the sum of its proper divisors (43583942578042).

68488664666246 is a wasteful number, since it uses less digits than its factorization.

68488664666246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6857827.

The product of its digits is 18345885696, while the sum is 80.

The spelling of 68488664666246 in words is "sixty-eight trillion, four hundred eighty-eight billion, six hundred sixty-four million, six hundred sixty-six thousand, two hundred forty-six".