164159503 has 2 divisors, whose sum is σ = 164159504. Its totient is φ = 164159502.

The previous prime is 164159461. The next prime is 164159537. The reversal of 164159503 is 305951461.

It is an a-pointer prime, because the next prime (164159537) can be obtained adding 164159503 to its sum of digits (34).

It is a strong prime.

It is an emirp because it is prime and its reverse (305951461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164159503 - 2¹³ = 164151311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164159003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82079751 + 82079752.

It is an arithmetic number, because the mean of its divisors is an integer number (82079752).

Almost surely, 2^164159503 is an apocalyptic number.

164159503 is a deficient number, since it is larger than the sum of its proper divisors (1).

164159503 is an equidigital number, since it uses as much as digits as its factorization.

164159503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 164159503 is about 12812.4745072917. The cubic root of 164159503 is about 547.5477636721.

It can be divided in two parts, 16415950 and 3, that multiplied together give a triangular number (49247850 = T₉₉₂₄).

The spelling of 164159503 in words is "one hundred sixty-four million, one hundred fifty-nine thousand, five hundred three".