68996903138 has 8 divisors (see below), whose sum is σ = 104500164288. Its totient is φ = 34163515044.

The previous prime is 68996903117. The next prime is 68996903141. The reversal of 68996903138 is 83130969986.

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

It is an unprimeable number.

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, 167468006 + ... + 167468417.

It is an arithmetic number, because the mean of its divisors is an integer number (13062520536).

Almost surely, 2^68996903138 is an apocalyptic number.

68996903138 is a deficient number, since it is larger than the sum of its proper divisors (35503261150).

68996903138 is a wasteful number, since it uses less digits than its factorization.

68996903138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334936528.

The product of its (nonzero) digits is 15116544, while the sum is 62.

The spelling of 68996903138 in words is "sixty-eight billion, nine hundred ninety-six million, nine hundred three thousand, one hundred thirty-eight".