164064413 has 2 divisors, whose sum is σ = 164064414. Its totient is φ = 164064412.

The previous prime is 164064403. The next prime is 164064437. The reversal of 164064413 is 314460461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88774084 + 75290329 = 9422^2 + 8677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164064413 is a prime.

It is a super-2 number, since 2×164064413² = 53834263226069138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164064403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82032206 + 82032207.

It is an arithmetic number, because the mean of its divisors is an integer number (82032207).

Almost surely, 2^164064413 is an apocalyptic number.

It is an amenable number.

164064413 is a deficient number, since it is larger than the sum of its proper divisors (1).

164064413 is an equidigital number, since it uses as much as digits as its factorization.

164064413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 164064413 is about 12808.7631331054. The cubic root of 164064413 is about 547.4420202289.

The spelling of 164064413 in words is "one hundred sixty-four million, sixty-four thousand, four hundred thirteen".