164605602949 has 2 divisors, whose sum is σ = 164605602950. Its totient is φ = 164605602948.

The previous prime is 164605602899. The next prime is 164605602961. The reversal of 164605602949 is 949206506461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137088765025 + 27516837924 = 370255^2 + 165882^2 .

It is a cyclic number.

It is not a de Polignac number, because 164605602949 - 2¹³ = 164605594757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164605602896 and 164605602905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164605602989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82302801474 + 82302801475.

It is an arithmetic number, because the mean of its divisors is an integer number (82302801475).

Almost surely, 2^164605602949 is an apocalyptic number.

It is an amenable number.

164605602949 is a deficient number, since it is larger than the sum of its proper divisors (1).

164605602949 is an equidigital number, since it uses as much as digits as its factorization.

164605602949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 164605602949 in words is "one hundred sixty-four billion, six hundred five million, six hundred two thousand, nine hundred forty-nine".