164210462693 has 2 divisors, whose sum is σ = 164210462694. Its totient is φ = 164210462692.

The previous prime is 164210462641. The next prime is 164210462707. The reversal of 164210462693 is 396264012461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128437657924 + 35772804769 = 358382^2 + 189137^2 .

It is a cyclic number.

It is not a de Polignac number, because 164210462693 - 2¹⁰ = 164210461669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164210462593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82105231346 + 82105231347.

It is an arithmetic number, because the mean of its divisors is an integer number (82105231347).

Almost surely, 2^164210462693 is an apocalyptic number.

It is an amenable number.

164210462693 is a deficient number, since it is larger than the sum of its proper divisors (1).

164210462693 is an equidigital number, since it uses as much as digits as its factorization.

164210462693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 164210462693 in words is "one hundred sixty-four billion, two hundred ten million, four hundred sixty-two thousand, six hundred ninety-three".