164364423 has 16 divisors (see below), whose sum is σ = 221316480. Its totient is φ = 108500256.

The previous prime is 164364407. The next prime is 164364443. The reversal of 164364423 is 324463461.

It is not a de Polignac number, because 164364423 - 2⁴ = 164364407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164364443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164361 + ... + 165357.

It is an arithmetic number, because the mean of its divisors is an integer number (13832280).

Almost surely, 2^164364423 is an apocalyptic number.

164364423 is a deficient number, since it is larger than the sum of its proper divisors (56952057).

164364423 is a wasteful number, since it uses less digits than its factorization.

164364423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

The product of its digits is 41472, while the sum is 33.

The square root of 164364423 is about 12820.4689071812. The cubic root of 164364423 is about 547.7755032186.

It can be divided in two parts, 1643 and 64423, that added together give a palindrome (66066).

The spelling of 164364423 in words is "one hundred sixty-four million, three hundred sixty-four thousand, four hundred twenty-three".