164719892047 has 2 divisors, whose sum is σ = 164719892048. Its totient is φ = 164719892046.

The previous prime is 164719892027. The next prime is 164719892069. The reversal of 164719892047 is 740298917461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164719892047 - 2¹⁹ = 164719367759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164719891982 and 164719892000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164719892027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82359946023 + 82359946024.

It is an arithmetic number, because the mean of its divisors is an integer number (82359946024).

Almost surely, 2^164719892047 is an apocalyptic number.

164719892047 is a deficient number, since it is larger than the sum of its proper divisors (1).

164719892047 is an equidigital number, since it uses as much as digits as its factorization.

164719892047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 164719892047 in words is "one hundred sixty-four billion, seven hundred nineteen million, eight hundred ninety-two thousand, forty-seven".