164730201869 has 2 divisors, whose sum is σ = 164730201870. Its totient is φ = 164730201868.

The previous prime is 164730201851. The next prime is 164730201907. The reversal of 164730201869 is 968102037461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144069589225 + 20660612644 = 379565^2 + 143738^2 .

It is a cyclic number.

It is not a de Polignac number, because 164730201869 - 2⁸ = 164730201613 is a prime.

It is a super-2 number, since 2×164730201869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164730201809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82365100934 + 82365100935.

It is an arithmetic number, because the mean of its divisors is an integer number (82365100935).

Almost surely, 2^164730201869 is an apocalyptic number.

It is an amenable number.

164730201869 is a deficient number, since it is larger than the sum of its proper divisors (1).

164730201869 is an equidigital number, since it uses as much as digits as its factorization.

164730201869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 164730201869 in words is "one hundred sixty-four billion, seven hundred thirty million, two hundred one thousand, eight hundred sixty-nine".