68735765151 has 24 divisors (see below), whose sum is σ = 105137972784. Its totient is φ = 43123119360.

The previous prime is 68735765149. The next prime is 68735765177. The reversal of 68735765151 is 15156753786.

It is a happy number.

68735765151 is a `hidden beast` number, since 6 + 8 + 73 + 57 + 6 + 515 + 1 = 666.

It is not a de Polignac number, because 68735765151 - 2¹ = 68735765149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68735765141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1540285 + ... + 1584281.

It is an arithmetic number, because the mean of its divisors is an integer number (4380748866).

Almost surely, 2^68735765151 is an apocalyptic number.

68735765151 is a deficient number, since it is larger than the sum of its proper divisors (36402207633).

68735765151 is a wasteful number, since it uses less digits than its factorization.

68735765151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54231 (or 54228 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 54.

The spelling of 68735765151 in words is "sixty-eight billion, seven hundred thirty-five million, seven hundred sixty-five thousand, one hundred fifty-one".