164454664 has 32 divisors (see below), whose sum is σ = 339733440. Its totient is φ = 74008000.

The previous prime is 164454637. The next prime is 164454743. The reversal of 164454664 is 466454461.

It is a super-2 number, since 2×164454664² = 54090673022705792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 18139.

It is an arithmetic number, because the mean of its divisors is an integer number (10616670).

Almost surely, 2^164454664 is an apocalyptic number.

It is an amenable number.

164454664 is an abundant number, since it is smaller than the sum of its proper divisors (175278776).

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

164454664 is a wasteful number, since it uses less digits than its factorization.

164454664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621 (or 18617 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 164454664 is about 12823.9878353030. The cubic root of 164454664 is about 547.8757332735.

The spelling of 164454664 in words is "one hundred sixty-four million, four hundred fifty-four thousand, six hundred sixty-four".