164612004 has 48 divisors (see below), whose sum is σ = 399504000. Its totient is φ = 52690176.

The previous prime is 164611999. The next prime is 164612017. The reversal of 164612004 is 400216461.

164612004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164612004² = 54194223721792032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68064 + ... + 70440.

It is an arithmetic number, because the mean of its divisors is an integer number (8323000).

Almost surely, 2^164612004 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 164612004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199752000).

164612004 is an abundant number, since it is smaller than the sum of its proper divisors (234891996).

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

164612004 is a wasteful number, since it uses less digits than its factorization.

164612004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 164612004 is about 12830.1209659145. The cubic root of 164612004 is about 548.0504020631.

Adding to 164612004 its reverse (400216461), we get a palindrome (564828465).

The spelling of 164612004 in words is "one hundred sixty-four million, six hundred twelve thousand, four".