164559461 has 8 divisors (see below), whose sum is σ = 184371744. Its totient is φ = 145555920.

The previous prime is 164559391. The next prime is 164559463. The reversal of 164559461 is 164955461.

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

It is a cyclic number.

It is not a de Polignac number, because 164559461 - 2¹⁰ = 164558437 is a prime.

It is a super-2 number, since 2×164559461² = 54159632409221042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164559463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201755 + ... + 202568.

It is an arithmetic number, because the mean of its divisors is an integer number (23046468).

Almost surely, 2^164559461 is an apocalyptic number.

164559461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164559461 is a deficient number, since it is larger than the sum of its proper divisors (19812283).

164559461 is a wasteful number, since it uses less digits than its factorization.

164559461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404371.

The product of its digits is 129600, while the sum is 41.

The square root of 164559461 is about 12828.0731600658. The cubic root of 164559461 is about 547.9920845732.

The spelling of 164559461 in words is "one hundred sixty-four million, five hundred fifty-nine thousand, four hundred sixty-one".