164545366 has 4 divisors (see below), whose sum is σ = 246818052. Its totient is φ = 82272682.

The previous prime is 164545361. The next prime is 164545373. The reversal of 164545366 is 663545461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663545461 = 547 ⋅1213063.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164545361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41136340 + ... + 41136343.

It is an arithmetic number, because the mean of its divisors is an integer number (61704513).

Almost surely, 2^164545366 is an apocalyptic number.

164545366 is a deficient number, since it is larger than the sum of its proper divisors (82272686).

164545366 is an equidigital number, since it uses as much as digits as its factorization.

164545366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82272685.

The product of its digits is 259200, while the sum is 40.

The square root of 164545366 is about 12827.5237672748. The cubic root of 164545366 is about 547.9764384172.

The spelling of 164545366 in words is "one hundred sixty-four million, five hundred forty-five thousand, three hundred sixty-six".