164386793 has 2 divisors, whose sum is σ = 164386794. Its totient is φ = 164386792.

The previous prime is 164386759. The next prime is 164386801. The reversal of 164386793 is 397683461.

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., 111344704 + 53042089 = 10552^2 + 7283^2 .

It is a cyclic number.

It is not a de Polignac number, because 164386793 - 2¹⁶ = 164321257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164386093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82193396 + 82193397.

It is an arithmetic number, because the mean of its divisors is an integer number (82193397).

Almost surely, 2^164386793 is an apocalyptic number.

It is an amenable number.

164386793 is a deficient number, since it is larger than the sum of its proper divisors (1).

164386793 is an equidigital number, since it uses as much as digits as its factorization.

164386793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 164386793 is about 12821.3413104870. The cubic root of 164386793 is about 547.8003528422.

The spelling of 164386793 in words is "one hundred sixty-four million, three hundred eighty-six thousand, seven hundred ninety-three".