164075237 has 4 divisors (see below), whose sum is σ = 165367296. Its totient is φ = 162783180.

The previous prime is 164075213. The next prime is 164075251. The reversal of 164075237 is 732570461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164075237 - 2¹⁸ = 163813093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164075197 and 164075206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164075257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645839 + ... + 646092.

It is an arithmetic number, because the mean of its divisors is an integer number (41341824).

Almost surely, 2^164075237 is an apocalyptic number.

It is an amenable number.

164075237 is a deficient number, since it is larger than the sum of its proper divisors (1292059).

164075237 is a wasteful number, since it uses less digits than its factorization.

164075237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292058.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 164075237 is about 12809.1856493690. The cubic root of 164075237 is about 547.4540589601.

The spelling of 164075237 in words is "one hundred sixty-four million, seventy-five thousand, two hundred thirty-seven".