164219237 has 24 divisors (see below), whose sum is σ = 208680192. Its totient is φ = 128066400.

The previous prime is 164219219. The next prime is 164219239. The reversal of 164219237 is 732912461.

164219237 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 164219237 - 2¹² = 164215141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164219197 and 164219206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164219239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43412 + ... + 47042.

It is an arithmetic number, because the mean of its divisors is an integer number (8695008).

Almost surely, 2^164219237 is an apocalyptic number.

It is an amenable number.

164219237 is a deficient number, since it is larger than the sum of its proper divisors (44460955).

164219237 is a wasteful number, since it uses less digits than its factorization.

164219237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729 (or 3722 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 164219237 is about 12814.8053828375. The cubic root of 164219237 is about 547.6141691115.

The spelling of 164219237 in words is "one hundred sixty-four million, two hundred nineteen thousand, two hundred thirty-seven".