164440604 has 12 divisors (see below), whose sum is σ = 288976800. Its totient is φ = 81875808.

The previous prime is 164440597. The next prime is 164440607. The reversal of 164440604 is 406044461.

It is a super-3 number, since 3×164440604³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164440607) 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 3 ways as a sum of consecutive naturals, for example, 85049 + ... + 86960.

It is an arithmetic number, because the mean of its divisors is an integer number (24081400).

Almost surely, 2^164440604 is an apocalyptic number.

It is an amenable number.

164440604 is a deficient number, since it is larger than the sum of its proper divisors (124536196).

164440604 is a wasteful number, since it uses less digits than its factorization.

164440604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172252 (or 172250 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 164440604 is about 12823.4396321736. The cubic root of 164440604 is about 547.8601193405.

The spelling of 164440604 in words is "one hundred sixty-four million, four hundred forty thousand, six hundred four".