164511043 has 2 divisors, whose sum is σ = 164511044. Its totient is φ = 164511042.

The previous prime is 164511041. The next prime is 164511059. The reversal of 164511043 is 340115461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164511043 - 2¹ = 164511041 is a prime.

Together with 164511041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 164510999 and 164511017.

It is not a weakly prime, because it can be changed into another prime (164511041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82255521 + 82255522.

It is an arithmetic number, because the mean of its divisors is an integer number (82255522).

Almost surely, 2^164511043 is an apocalyptic number.

164511043 is a deficient number, since it is larger than the sum of its proper divisors (1).

164511043 is an equidigital number, since it uses as much as digits as its factorization.

164511043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164511043 is about 12826.1858321170. The cubic root of 164511043 is about 547.9383344308.

The spelling of 164511043 in words is "one hundred sixty-four million, five hundred eleven thousand, forty-three".