164089157 has 2 divisors, whose sum is σ = 164089158. Its totient is φ = 164089156.

The previous prime is 164089141. The next prime is 164089213. The reversal of 164089157 is 751980461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130553476 + 33535681 = 11426^2 + 5791^2 .

It is a cyclic number.

It is not a de Polignac number, because 164089157 - 2⁴ = 164089141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164089127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82044578 + 82044579.

It is an arithmetic number, because the mean of its divisors is an integer number (82044579).

Almost surely, 2^164089157 is an apocalyptic number.

It is an amenable number.

164089157 is a deficient number, since it is larger than the sum of its proper divisors (1).

164089157 is an equidigital number, since it uses as much as digits as its factorization.

164089157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 164089157 is about 12809.7289979140. The cubic root of 164089157 is about 547.4695403639.

The spelling of 164089157 in words is "one hundred sixty-four million, eighty-nine thousand, one hundred fifty-seven".