164455446 has 16 divisors (see below), whose sum is σ = 332607600. Its totient is φ = 54202368.

The previous prime is 164455441. The next prime is 164455457. The reversal of 164455446 is 644554461.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164455441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 153451 + ... + 154518.

It is an arithmetic number, because the mean of its divisors is an integer number (20787975).

Almost surely, 2^164455446 is an apocalyptic number.

164455446 is an abundant number, since it is smaller than the sum of its proper divisors (168152154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164455446 is a wasteful number, since it uses less digits than its factorization.

164455446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308063.

The product of its digits is 230400, while the sum is 39.

The square root of 164455446 is about 12824.0183250025. The cubic root of 164455446 is about 547.8766016752.

The spelling of 164455446 in words is "one hundred sixty-four million, four hundred fifty-five thousand, four hundred forty-six".