164884490949499 has 2 divisors, whose sum is σ = 164884490949500. Its totient is φ = 164884490949498.

The previous prime is 164884490949449. The next prime is 164884490949517. The reversal of 164884490949499 is 994949094488461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164884490949499 - 2⁷ = 164884490949371 is a prime.

It is not a weakly prime, because it can be changed into another prime (164884490949449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82442245474749 + 82442245474750.

It is an arithmetic number, because the mean of its divisors is an integer number (82442245474750).

Almost surely, 2^{164884490949499} is an apocalyptic number.

164884490949499 is a deficient number, since it is larger than the sum of its proper divisors (1).

164884490949499 is an equidigital number, since it uses as much as digits as its factorization.

164884490949499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23219011584, while the sum is 88.

The spelling of 164884490949499 in words is "one hundred sixty-four trillion, eight hundred eighty-four billion, four hundred ninety million, nine hundred forty-nine thousand, four hundred ninety-nine".