167204409157 has 2 divisors, whose sum is σ = 167204409158. Its totient is φ = 167204409156.

The previous prime is 167204409139. The next prime is 167204409173. The reversal of 167204409157 is 751904402761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160127225281 + 7077183876 = 400159^2 + 84126^2 .

It is an emirp because it is prime and its reverse (751904402761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167204409157 - 2¹¹ = 167204407109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167204400157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83602204578 + 83602204579.

It is an arithmetic number, because the mean of its divisors is an integer number (83602204579).

Almost surely, 2^167204409157 is an apocalyptic number.

It is an amenable number.

167204409157 is a deficient number, since it is larger than the sum of its proper divisors (1).

167204409157 is an equidigital number, since it uses as much as digits as its factorization.

167204409157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 167204409157 in words is "one hundred sixty-seven billion, two hundred four million, four hundred nine thousand, one hundred fifty-seven".