68155444701 has 12 divisors (see below), whose sum is σ = 98449478400. Its totient is φ = 45435705480.

The previous prime is 68155444691. The next prime is 68155444703. The reversal of 68155444701 is 10744455186.

68155444701 is a `hidden beast` number, since 68 + 1 + 5 + 544 + 47 + 0 + 1 = 666.

It is not a de Polignac number, because 68155444701 - 2¹¹ = 68155442653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68155444703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335986 + ... + 499196.

It is an arithmetic number, because the mean of its divisors is an integer number (8204123200).

Almost surely, 2^68155444701 is an apocalyptic number.

It is an amenable number.

68155444701 is a deficient number, since it is larger than the sum of its proper divisors (30294033699).

68155444701 is a wasteful number, since it uses less digits than its factorization.

68155444701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209616 (or 209613 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

Adding to 68155444701 its reverse (10744455186), we get a palindrome (78899899887).

The spelling of 68155444701 in words is "sixty-eight billion, one hundred fifty-five million, four hundred forty-four thousand, seven hundred one".