168000071051 has 2 divisors, whose sum is σ = 168000071052. Its totient is φ = 168000071050.

The previous prime is 168000071047. The next prime is 168000071089. The reversal of 168000071051 is 150170000861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168000071051 - 2² = 168000071047 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (168000071851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84000035525 + 84000035526.

It is an arithmetic number, because the mean of its divisors is an integer number (84000035526).

Almost surely, 2^168000071051 is an apocalyptic number.

168000071051 is a deficient number, since it is larger than the sum of its proper divisors (1).

168000071051 is an equidigital number, since it uses as much as digits as its factorization.

168000071051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

The spelling of 168000071051 in words is "one hundred sixty-eight billion, seventy-one thousand, fifty-one".