164999904463 has 2 divisors, whose sum is σ = 164999904464. Its totient is φ = 164999904462.

The previous prime is 164999904451. The next prime is 164999904469. The reversal of 164999904463 is 364409999461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164999904463 - 2²¹ = 164997807311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164999904395 and 164999904404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164999904469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82499952231 + 82499952232.

It is an arithmetic number, because the mean of its divisors is an integer number (82499952232).

Almost surely, 2^164999904463 is an apocalyptic number.

164999904463 is a deficient number, since it is larger than the sum of its proper divisors (1).

164999904463 is an equidigital number, since it uses as much as digits as its factorization.

164999904463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45349632, while the sum is 64.

The spelling of 164999904463 in words is "one hundred sixty-four billion, nine hundred ninety-nine million, nine hundred four thousand, four hundred sixty-three".