157616162189 has 2 divisors, whose sum is σ = 157616162190. Its totient is φ = 157616162188.

The previous prime is 157616162131. The next prime is 157616162257. The reversal of 157616162189 is 981261616751.

157616162189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117422728900 + 40193433289 = 342670^2 + 200483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157616162189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157616162189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157616162489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78808081094 + 78808081095.

It is an arithmetic number, because the mean of its divisors is an integer number (78808081095).

Almost surely, 2^157616162189 is an apocalyptic number.

It is an amenable number.

157616162189 is a deficient number, since it is larger than the sum of its proper divisors (1).

157616162189 is an equidigital number, since it uses as much as digits as its factorization.

157616162189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 53.

The spelling of 157616162189 in words is "one hundred fifty-seven billion, six hundred sixteen million, one hundred sixty-two thousand, one hundred eighty-nine".