168788655783151 has 2 divisors, whose sum is σ = 168788655783152. Its totient is φ = 168788655783150.

The previous prime is 168788655783119. The next prime is 168788655783199. The reversal of 168788655783151 is 151387556887861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168788655783151 - 2⁵ = 168788655783119 is a prime.

It is a super-2 number, since 2×168788655783151² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168788655783851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84394327891575 + 84394327891576.

It is an arithmetic number, because the mean of its divisors is an integer number (84394327891576).

Almost surely, 2^{168788655783151} is an apocalyptic number.

168788655783151 is a deficient number, since it is larger than the sum of its proper divisors (1).

168788655783151 is an equidigital number, since it uses as much as digits as its factorization.

168788655783151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504000, while the sum is 79.

The spelling of 168788655783151 in words is "one hundred sixty-eight trillion, seven hundred eighty-eight billion, six hundred fifty-five million, seven hundred eighty-three thousand, one hundred fifty-one".