164234469 has 16 divisors (see below), whose sum is σ = 251665920. Its totient is φ = 93321840.

The previous prime is 164234437. The next prime is 164234471. The reversal of 164234469 is 964432461.

It is not a de Polignac number, because 164234469 - 2⁵ = 164234437 is a prime.

It is a super-2 number, since 2×164234469² = 53945921615423922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164234429) 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, 18087 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (15729120).

Almost surely, 2^164234469 is an apocalyptic number.

It is an amenable number.

164234469 is a deficient number, since it is larger than the sum of its proper divisors (87431451).

164234469 is a wasteful number, since it uses less digits than its factorization.

164234469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43880.

The product of its digits is 124416, while the sum is 39.

The square root of 164234469 is about 12815.3996816330. The cubic root of 164234469 is about 547.6310997328.

The spelling of 164234469 in words is "one hundred sixty-four million, two hundred thirty-four thousand, four hundred sixty-nine".