164839983 has 32 divisors (see below), whose sum is σ = 275208192. Its totient is φ = 85260000.

The previous prime is 164839981. The next prime is 164839999. The reversal of 164839983 is 389938461.

164839983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164839983 - 2¹ = 164839981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164839981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56560 + ... + 59402.

It is an arithmetic number, because the mean of its divisors is an integer number (8600256).

Almost surely, 2^164839983 is an apocalyptic number.

164839983 is a deficient number, since it is larger than the sum of its proper divisors (110368209).

164839983 is a wasteful number, since it uses less digits than its factorization.

164839983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115.

The product of its digits is 1119744, while the sum is 51.

The square root of 164839983 is about 12839.0024145180. The cubic root of 164839983 is about 548.3032923822.

The spelling of 164839983 in words is "one hundred sixty-four million, eight hundred thirty-nine thousand, nine hundred eighty-three".