164293093 has 2 divisors, whose sum is σ = 164293094. Its totient is φ = 164293092.

The previous prime is 164293009. The next prime is 164293127. The reversal of 164293093 is 390392461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130919364 + 33373729 = 11442^2 + 5777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164293093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164293793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82146546 + 82146547.

It is an arithmetic number, because the mean of its divisors is an integer number (82146547).

Almost surely, 2^164293093 is an apocalyptic number.

It is an amenable number.

164293093 is a deficient number, since it is larger than the sum of its proper divisors (1).

164293093 is an equidigital number, since it uses as much as digits as its factorization.

164293093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 164293093 is about 12817.6867257708. The cubic root of 164293093 is about 547.6962515178.

The spelling of 164293093 in words is "one hundred sixty-four million, two hundred ninety-three thousand, ninety-three".