68038681522 has 24 divisors (see below), whose sum is σ = 123099673536. Its totient is φ = 27624725784.

The previous prime is 68038681457. The next prime is 68038681523. The reversal of 68038681522 is 22518683086.

It is not an unprimeable number, because it can be changed into a prime (68038681523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6726118 + ... + 6736225.

It is an arithmetic number, because the mean of its divisors is an integer number (5129153064).

Almost surely, 2^68038681522 is an apocalyptic number.

68038681522 is a deficient number, since it is larger than the sum of its proper divisors (55060992014).

68038681522 is a wasteful number, since it uses less digits than its factorization.

68038681522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13462390 (or 13462371 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 68038681522 in words is "sixty-eight billion, thirty-eight million, six hundred eighty-one thousand, five hundred twenty-two".