164920383 has 12 divisors (see below), whose sum is σ = 252231408. Its totient is φ = 103479360.

The previous prime is 164920369. The next prime is 164920387. The reversal of 164920383 is 383029461.

164920383 is a `hidden beast` number, since 1 + 649 + 2 + 0 + 3 + 8 + 3 = 666.

It is not a de Polignac number, because 164920383 - 2⁴ = 164920367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164920387) 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 11 ways as a sum of consecutive naturals, for example, 538803 + ... + 539108.

It is an arithmetic number, because the mean of its divisors is an integer number (21019284).

Almost surely, 2^164920383 is an apocalyptic number.

164920383 is a deficient number, since it is larger than the sum of its proper divisors (87311025).

164920383 is a wasteful number, since it uses less digits than its factorization.

164920383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077934 (or 1077931 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 164920383 is about 12842.1331172045. The cubic root of 164920383 is about 548.3924220919.

The spelling of 164920383 in words is "one hundred sixty-four million, nine hundred twenty thousand, three hundred eighty-three".