164465513 has 2 divisors, whose sum is σ = 164465514. Its totient is φ = 164465512.

The previous prime is 164465489. The next prime is 164465551. The reversal of 164465513 is 315564461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92775424 + 71690089 = 9632^2 + 8467^2 .

It is an emirp because it is prime and its reverse (315564461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164465513 - 2⁶ = 164465449 is a prime.

It is not a weakly prime, because it can be changed into another prime (164465593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82232756 + 82232757.

It is an arithmetic number, because the mean of its divisors is an integer number (82232757).

Almost surely, 2^164465513 is an apocalyptic number.

It is an amenable number.

164465513 is a deficient number, since it is larger than the sum of its proper divisors (1).

164465513 is an equidigital number, since it uses as much as digits as its factorization.

164465513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 164465513 is about 12824.4108246734. The cubic root of 164465513 is about 547.8877807136.

The spelling of 164465513 in words is "one hundred sixty-four million, four hundred sixty-five thousand, five hundred thirteen".