164116590389 has 2 divisors, whose sum is σ = 164116590390. Its totient is φ = 164116590388.

The previous prime is 164116590371. The next prime is 164116590433. The reversal of 164116590389 is 983095611461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162529922500 + 1586667889 = 403150^2 + 39833^2 .

It is a cyclic number.

It is not a de Polignac number, because 164116590389 - 2²⁴ = 164099813173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164116590389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164116590349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82058295194 + 82058295195.

It is an arithmetic number, because the mean of its divisors is an integer number (82058295195).

Almost surely, 2^164116590389 is an apocalyptic number.

It is an amenable number.

164116590389 is a deficient number, since it is larger than the sum of its proper divisors (1).

164116590389 is an equidigital number, since it uses as much as digits as its factorization.

164116590389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 164116590389 in words is "one hundred sixty-four billion, one hundred sixteen million, five hundred ninety thousand, three hundred eighty-nine".