164471434 has 8 divisors (see below), whose sum is σ = 246778308. Its totient is φ = 82212000.

The previous prime is 164471423. The next prime is 164471449. The reversal of 164471434 is 434174461.

It can be written as a sum of positive squares in 2 ways, for example, as 155077209 + 9394225 = 12453^2 + 3065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164471434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317 + ... + 18184.

Almost surely, 2^164471434 is an apocalyptic number.

164471434 is a deficient number, since it is larger than the sum of its proper divisors (82306874).

164471434 is a wasteful number, since it uses less digits than its factorization.

164471434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23720.

The product of its digits is 32256, while the sum is 34.

The square root of 164471434 is about 12824.6416714074. The cubic root of 164471434 is about 547.8943555563.

The spelling of 164471434 in words is "one hundred sixty-four million, four hundred seventy-one thousand, four hundred thirty-four".