68013340802 has 32 divisors (see below), whose sum is σ = 116304076800. Its totient is φ = 29527571920.

The previous prime is 68013340789. The next prime is 68013340817. The reversal of 68013340802 is 20804331086.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247199 + ... + 443997.

It is an arithmetic number, because the mean of its divisors is an integer number (3634502400).

Almost surely, 2^68013340802 is an apocalyptic number.

68013340802 is a deficient number, since it is larger than the sum of its proper divisors (48290735998).

68013340802 is a wasteful number, since it uses less digits than its factorization.

68013340802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197518.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 68013340802 its reverse (20804331086), we get a palindrome (88817671888).

The spelling of 68013340802 in words is "sixty-eight billion, thirteen million, three hundred forty thousand, eight hundred two".