164255350393 has 2 divisors, whose sum is σ = 164255350394. Its totient is φ = 164255350392.

The previous prime is 164255350349. The next prime is 164255350403. The reversal of 164255350393 is 393053552461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118173000169 + 46082350224 = 343763^2 + 214668^2 .

It is a cyclic number.

It is not a de Polignac number, because 164255350393 - 2¹⁷ = 164255219321 is a prime.

It is not a weakly prime, because it can be changed into another prime (164255353393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82127675196 + 82127675197.

It is an arithmetic number, because the mean of its divisors is an integer number (82127675197).

Almost surely, 2^164255350393 is an apocalyptic number.

It is an amenable number.

164255350393 is a deficient number, since it is larger than the sum of its proper divisors (1).

164255350393 is an equidigital number, since it uses as much as digits as its factorization.

164255350393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 164255350393 in words is "one hundred sixty-four billion, two hundred fifty-five million, three hundred fifty thousand, three hundred ninety-three".