164593236 has 48 divisors (see below), whose sum is σ = 391043520. Its totient is φ = 53875200.

The previous prime is 164593223. The next prime is 164593237. The reversal of 164593236 is 632395461.

It is a junction number, because it is equal to n+sod(n) for n = 164593194 and 164593203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164593237) 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 15 ways as a sum of consecutive naturals, for example, 167980 + ... + 168956.

It is an arithmetic number, because the mean of its divisors is an integer number (8146740).

Almost surely, 2^164593236 is an apocalyptic number.

It is an amenable number.

164593236 is an abundant number, since it is smaller than the sum of its proper divisors (226450284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164593236 is a wasteful number, since it uses less digits than its factorization.

164593236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1222 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 164593236 is about 12829.3895412058. The cubic root of 164593236 is about 548.0295728797.

The spelling of 164593236 in words is "one hundred sixty-four million, five hundred ninety-three thousand, two hundred thirty-six".