164381464 has 64 divisors (see below), whose sum is σ = 358092000. Its totient is φ = 70087680.

The previous prime is 164381453. The next prime is 164381507. The reversal of 164381464 is 464183461.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 80002 + ... + 82030.

Almost surely, 2^164381464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164381464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179046000).

164381464 is an abundant number, since it is smaller than the sum of its proper divisors (193710536).

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

164381464 is a wasteful number, since it uses less digits than its factorization.

164381464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2104 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 164381464 is about 12821.1334912324. The cubic root of 164381464 is about 547.7944333488.

The spelling of 164381464 in words is "one hundred sixty-four million, three hundred eighty-one thousand, four hundred sixty-four".