168541012151 has 2 divisors, whose sum is σ = 168541012152. Its totient is φ = 168541012150.

The previous prime is 168541012147. The next prime is 168541012181. The reversal of 168541012151 is 151210145861.

It is a weak prime.

It is an emirp because it is prime and its reverse (151210145861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168541012151 - 2² = 168541012147 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168541012181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84270506075 + 84270506076.

It is an arithmetic number, because the mean of its divisors is an integer number (84270506076).

Almost surely, 2^168541012151 is an apocalyptic number.

168541012151 is a deficient number, since it is larger than the sum of its proper divisors (1).

168541012151 is an equidigital number, since it uses as much as digits as its factorization.

168541012151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 35.

The spelling of 168541012151 in words is "one hundred sixty-eight billion, five hundred forty-one million, twelve thousand, one hundred fifty-one".