164297299273 has 2 divisors, whose sum is σ = 164297299274. Its totient is φ = 164297299272.

The previous prime is 164297299261. The next prime is 164297299337. The reversal of 164297299273 is 372992792461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122553905929 + 41743393344 = 350077^2 + 204312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164297299273 is a prime.

It is not a weakly prime, because it can be changed into another prime (164297299213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82148649636 + 82148649637.

It is an arithmetic number, because the mean of its divisors is an integer number (82148649637).

Almost surely, 2^164297299273 is an apocalyptic number.

It is an amenable number.

164297299273 is a deficient number, since it is larger than the sum of its proper divisors (1).

164297299273 is an equidigital number, since it uses as much as digits as its factorization.

164297299273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 61.

The spelling of 164297299273 in words is "one hundred sixty-four billion, two hundred ninety-seven million, two hundred ninety-nine thousand, two hundred seventy-three".