164219383 has 2 divisors, whose sum is σ = 164219384. Its totient is φ = 164219382.

The previous prime is 164219353. The next prime is 164219411. The reversal of 164219383 is 383912461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164219383 - 2⁹ = 164218871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164219323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82109691 + 82109692.

It is an arithmetic number, because the mean of its divisors is an integer number (82109692).

Almost surely, 2^164219383 is an apocalyptic number.

164219383 is a deficient number, since it is larger than the sum of its proper divisors (1).

164219383 is an equidigital number, since it uses as much as digits as its factorization.

164219383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 164219383 is about 12814.8110793722. The cubic root of 164219383 is about 547.6143313979.

It can be divided in two parts, 1642 and 19383, that added together give a square (21025 = 145²).

The spelling of 164219383 in words is "one hundred sixty-four million, two hundred nineteen thousand, three hundred eighty-three".