164402263 has 2 divisors, whose sum is σ = 164402264. Its totient is φ = 164402262.

The previous prime is 164402243. The next prime is 164402267. The reversal of 164402263 is 362204461.

164402263 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 is a cyclic number.

It is not a de Polignac number, because 164402263 - 2⁹ = 164401751 is a prime.

It is a super-3 number, since 3×164402263³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164402267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82201131 + 82201132.

It is an arithmetic number, because the mean of its divisors is an integer number (82201132).

Almost surely, 2^164402263 is an apocalyptic number.

164402263 is a deficient number, since it is larger than the sum of its proper divisors (1).

164402263 is an equidigital number, since it uses as much as digits as its factorization.

164402263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 164402263 is about 12821.9445873081. The cubic root of 164402263 is about 547.8175363103.

The spelling of 164402263 in words is "one hundred sixty-four million, four hundred two thousand, two hundred sixty-three".