157122016171 has 2 divisors, whose sum is σ = 157122016172. Its totient is φ = 157122016170.

The previous prime is 157122016169. The next prime is 157122016201. The reversal of 157122016171 is 171610221751.

It is a weak prime.

It is an emirp because it is prime and its reverse (171610221751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157122016171 - 2¹ = 157122016169 is a prime.

Together with 157122016169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (157122016111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78561008085 + 78561008086.

It is an arithmetic number, because the mean of its divisors is an integer number (78561008086).

Almost surely, 2^157122016171 is an apocalyptic number.

157122016171 is a deficient number, since it is larger than the sum of its proper divisors (1).

157122016171 is an equidigital number, since it uses as much as digits as its factorization.

157122016171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 34.

The spelling of 157122016171 in words is "one hundred fifty-seven billion, one hundred twenty-two million, sixteen thousand, one hundred seventy-one".