164434546 has 8 divisors (see below), whose sum is σ = 248129280. Its totient is φ = 81724788.

The previous prime is 164434507. The next prime is 164434561. The reversal of 164434546 is 645434461.

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

It is a super-3 number, since 3×164434546³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 245826 + ... + 246493.

It is an arithmetic number, because the mean of its divisors is an integer number (31016160).

Almost surely, 2^164434546 is an apocalyptic number.

164434546 is a deficient number, since it is larger than the sum of its proper divisors (83694734).

164434546 is a wasteful number, since it uses less digits than its factorization.

164434546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492488.

The product of its digits is 138240, while the sum is 37.

The square root of 164434546 is about 12823.2034219223. The cubic root of 164434546 is about 547.8533915265.

It can be divided in two parts, 1644345 and 46, that added together give a triangular number (1644391 = T₁₈₁₃).

The spelling of 164434546 in words is "one hundred sixty-four million, four hundred thirty-four thousand, five hundred forty-six".