164930873 has 2 divisors, whose sum is σ = 164930874. Its totient is φ = 164930872.

The previous prime is 164930827. The next prime is 164930891. The reversal of 164930873 is 378039461.

164930873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95491984 + 69438889 = 9772^2 + 8333^2 .

It is an emirp because it is prime and its reverse (378039461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164930873 - 2¹⁴ = 164914489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164930873.

It is not a weakly prime, because it can be changed into another prime (164930573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82465436 + 82465437.

It is an arithmetic number, because the mean of its divisors is an integer number (82465437).

Almost surely, 2^164930873 is an apocalyptic number.

It is an amenable number.

164930873 is a deficient number, since it is larger than the sum of its proper divisors (1).

164930873 is an equidigital number, since it uses as much as digits as its factorization.

164930873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 164930873 is about 12842.5415319554. The cubic root of 164930873 is about 548.4040489436.

The spelling of 164930873 in words is "one hundred sixty-four million, nine hundred thirty thousand, eight hundred seventy-three".