164225004 has 12 divisors (see below), whose sum is σ = 383191704. Its totient is φ = 54741664.

The previous prime is 164224997. The next prime is 164225023. The reversal of 164225004 is 400522461.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6842697 + ... + 6842720.

It is an arithmetic number, because the mean of its divisors is an integer number (31932642).

Almost surely, 2^164225004 is an apocalyptic number.

It is an amenable number.

164225004 is an abundant number, since it is smaller than the sum of its proper divisors (218966700).

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

164225004 is a wasteful number, since it uses less digits than its factorization.

164225004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13685424 (or 13685422 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 164225004 is about 12815.0303940334. The cubic root of 164225004 is about 547.6205793511.

Adding to 164225004 its reverse (400522461), we get a palindrome (564747465).

The spelling of 164225004 in words is "one hundred sixty-four million, two hundred twenty-five thousand, four".