166160005157 has 2 divisors, whose sum is σ = 166160005158. Its totient is φ = 166160005156.

The previous prime is 166160005147. The next prime is 166160005183. The reversal of 166160005157 is 751500061661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155934952996 + 10225052161 = 394886^2 + 101119^2 .

It is an emirp because it is prime and its reverse (751500061661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166160005157 - 2⁶ = 166160005093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166160005157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166160005147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83080002578 + 83080002579.

It is an arithmetic number, because the mean of its divisors is an integer number (83080002579).

Almost surely, 2^166160005157 is an apocalyptic number.

It is an amenable number.

166160005157 is a deficient number, since it is larger than the sum of its proper divisors (1).

166160005157 is an equidigital number, since it uses as much as digits as its factorization.

166160005157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 166160005157 in words is "one hundred sixty-six billion, one hundred sixty million, five thousand, one hundred fifty-seven".