164906041 has 2 divisors, whose sum is σ = 164906042. Its totient is φ = 164906040.

The previous prime is 164906039. The next prime is 164906057. The reversal of 164906041 is 140609461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 66896041 = 9900^2 + 8179^2 .

It is a cyclic number.

It is not a de Polignac number, because 164906041 - 2¹ = 164906039 is a prime.

Together with 164906039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 164905994 and 164906012.

It is not a weakly prime, because it can be changed into another prime (164906011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82453020 + 82453021.

It is an arithmetic number, because the mean of its divisors is an integer number (82453021).

Almost surely, 2^164906041 is an apocalyptic number.

It is an amenable number.

164906041 is a deficient number, since it is larger than the sum of its proper divisors (1).

164906041 is an equidigital number, since it uses as much as digits as its factorization.

164906041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 164906041 is about 12841.5747087341. The cubic root of 164906041 is about 548.3765249825.

The spelling of 164906041 in words is "one hundred sixty-four million, nine hundred six thousand, forty-one".