68206892751 has 16 divisors (see below), whose sum is σ = 104531637600. Its totient is φ = 43903286784.

The previous prime is 68206892749. The next prime is 68206892777. The reversal of 68206892751 is 15729860286.

It is not a de Polignac number, because 68206892751 - 2¹ = 68206892749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68206892251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43554066 + ... + 43555631.

It is an arithmetic number, because the mean of its divisors is an integer number (6533227350).

Almost surely, 2^68206892751 is an apocalyptic number.

68206892751 is a deficient number, since it is larger than the sum of its proper divisors (36324744849).

68206892751 is a wasteful number, since it uses less digits than its factorization.

68206892751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87109735 (or 87109729 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 68206892751 in words is "sixty-eight billion, two hundred six million, eight hundred ninety-two thousand, seven hundred fifty-one".