164344383 has 60 divisors (see below), whose sum is σ = 291991392. Its totient is φ = 91808640.

The previous prime is 164344381. The next prime is 164344391. The reversal of 164344383 is 383443461.

It is a happy number.

164344383 is a `hidden beast` number, since 1 + 643 + 4 + 4 + 3 + 8 + 3 = 666.

It is not a de Polignac number, because 164344383 - 2¹ = 164344381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164344381) 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 in 59 ways as a sum of consecutive naturals, for example, 186103 + ... + 186983.

Almost surely, 2^164344383 is an apocalyptic number.

164344383 is a deficient number, since it is larger than the sum of its proper divisors (127647009).

164344383 is an equidigital number, since it uses as much as digits as its factorization.

164344383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 938 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 164344383 is about 12819.6873206799. The cubic root of 164344383 is about 547.7532399513.

The spelling of 164344383 in words is "one hundred sixty-four million, three hundred forty-four thousand, three hundred eighty-three".