164297299213 has 2 divisors, whose sum is σ = 164297299214. Its totient is φ = 164297299212.

The previous prime is 164297299211. The next prime is 164297299223. The reversal of 164297299213 is 312992792461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113059355049 + 51237944164 = 336243^2 + 226358^2 .

It is a cyclic number.

It is not a de Polignac number, because 164297299213 - 2¹ = 164297299211 is a prime.

Together with 164297299211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164297299211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82148649606 + 82148649607.

It is an arithmetic number, because the mean of its divisors is an integer number (82148649607).

Almost surely, 2^164297299213 is an apocalyptic number.

It is an amenable number.

164297299213 is a deficient number, since it is larger than the sum of its proper divisors (1).

164297299213 is an equidigital number, since it uses as much as digits as its factorization.

164297299213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The spelling of 164297299213 in words is "one hundred sixty-four billion, two hundred ninety-seven million, two hundred ninety-nine thousand, two hundred thirteen".