164464313737 has 2 divisors, whose sum is σ = 164464313738. Its totient is φ = 164464313736.

The previous prime is 164464313723. The next prime is 164464313777. The reversal of 164464313737 is 737313464461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111590070601 + 52874243136 = 334051^2 + 229944^2 .

It is a cyclic number.

It is not a de Polignac number, because 164464313737 - 2²³ = 164455925129 is a prime.

It is not a weakly prime, because it can be changed into another prime (164464313707) 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, 82232156868 + 82232156869.

It is an arithmetic number, because the mean of its divisors is an integer number (82232156869).

Almost surely, 2^164464313737 is an apocalyptic number.

It is an amenable number.

164464313737 is a deficient number, since it is larger than the sum of its proper divisors (1).

164464313737 is an equidigital number, since it uses as much as digits as its factorization.

164464313737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 49.

The spelling of 164464313737 in words is "one hundred sixty-four billion, four hundred sixty-four million, three hundred thirteen thousand, seven hundred thirty-seven".