68234644643286 has 64 divisors (see below), whose sum is σ = 152631406480896. Its totient is φ = 20156348409600.

The previous prime is 68234644643273. The next prime is 68234644643351.

It is a happy number.

68234644643286 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6999661 + ... + 13618536.

It is an arithmetic number, because the mean of its divisors is an integer number (2384865726264).

Almost surely, 2^{68234644643286} is an apocalyptic number.

68234644643286 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68234644643286 is an abundant number, since it is smaller than the sum of its proper divisors (84396761837610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68234644643286 is a wasteful number, since it uses less digits than its factorization.

68234644643286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20619477.

The product of its digits is 764411904, while the sum is 66.

The spelling of 68234644643286 in words is "sixty-eight trillion, two hundred thirty-four billion, six hundred forty-four million, six hundred forty-three thousand, two hundred eighty-six".