68381399318386 has 32 divisors (see below), whose sum is σ = 127935538190208. Its totient is φ = 26630970138240.

The previous prime is 68381399318369. The next prime is 68381399318399.

68381399318386 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68381399318386² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92409385 + ... + 93146428.

It is an arithmetic number, because the mean of its divisors is an integer number (3997985568444).

Almost surely, 2^{68381399318386} is an apocalyptic number.

68381399318386 is a deficient number, since it is larger than the sum of its proper divisors (59554138871822).

68381399318386 is a wasteful number, since it uses less digits than its factorization.

68381399318386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185558226.

The product of its digits is 967458816, while the sum is 76.

The spelling of 68381399318386 in words is "sixty-eight trillion, three hundred eighty-one billion, three hundred ninety-nine million, three hundred eighteen thousand, three hundred eighty-six".