164333983 has 32 divisors (see below), whose sum is σ = 196992000. Its totient is φ = 135457920.

The previous prime is 164333971. The next prime is 164333989. The reversal of 164333983 is 389333461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164333983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164333989) 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, 610773 + ... + 611041.

It is an arithmetic number, because the mean of its divisors is an integer number (6156000).

Almost surely, 2^164333983 is an apocalyptic number.

164333983 is a deficient number, since it is larger than the sum of its proper divisors (32658017).

164333983 is a wasteful number, since it uses less digits than its factorization.

164333983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its digits is 139968, while the sum is 40.

The square root of 164333983 is about 12819.2816881446. The cubic root of 164333983 is about 547.7416854465.

The spelling of 164333983 in words is "one hundred sixty-four million, three hundred thirty-three thousand, nine hundred eighty-three".