68081519266 has 16 divisors (see below), whose sum is σ = 102512744640. Its totient is φ = 33910657200.

The previous prime is 68081519243. The next prime is 68081519269. The reversal of 68081519266 is 66291518086.

It is not an unprimeable number, because it can be changed into a prime (68081519269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397665 + ... + 3417643.

It is an arithmetic number, because the mean of its divisors is an integer number (6407046540).

Almost surely, 2^68081519266 is an apocalyptic number.

68081519266 is a deficient number, since it is larger than the sum of its proper divisors (34431225374).

68081519266 is a wasteful number, since it uses less digits than its factorization.

68081519266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26409.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 68081519266 in words is "sixty-eight billion, eighty-one million, five hundred nineteen thousand, two hundred sixty-six".