164616330289 has 2 divisors, whose sum is σ = 164616330290. Its totient is φ = 164616330288.

The previous prime is 164616330211. The next prime is 164616330317. The reversal of 164616330289 is 982033616461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152798901025 + 11817429264 = 390895^2 + 108708^2 .

It is a cyclic number.

It is not a de Polignac number, because 164616330289 - 2⁷ = 164616330161 is a prime.

It is not a weakly prime, because it can be changed into another prime (164616330689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82308165144 + 82308165145.

It is an arithmetic number, because the mean of its divisors is an integer number (82308165145).

Almost surely, 2^164616330289 is an apocalyptic number.

It is an amenable number.

164616330289 is a deficient number, since it is larger than the sum of its proper divisors (1).

164616330289 is an equidigital number, since it uses as much as digits as its factorization.

164616330289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 164616330289 in words is "one hundred sixty-four billion, six hundred sixteen million, three hundred thirty thousand, two hundred eighty-nine".