164266645 has 8 divisors (see below), whose sum is σ = 201314304. Its totient is φ = 128617104.

The previous prime is 164266633. The next prime is 164266649. The reversal of 164266645 is 546662461.

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 164266645 - 2¹³ = 164258453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164266598 and 164266607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164266649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349269 + ... + 349738.

It is an arithmetic number, because the mean of its divisors is an integer number (25164288).

Almost surely, 2^164266645 is an apocalyptic number.

It is an amenable number.

164266645 is a deficient number, since it is larger than the sum of its proper divisors (37047659).

164266645 is an equidigital number, since it uses as much as digits as its factorization.

164266645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699059.

The product of its digits is 207360, while the sum is 40.

The square root of 164266645 is about 12816.6549848235. The cubic root of 164266645 is about 547.6668604510. Note that the first 3 decimals are identical.

The spelling of 164266645 in words is "one hundred sixty-four million, two hundred sixty-six thousand, six hundred forty-five".