164210004 has 120 divisors (see below), whose sum is σ = 519583680. Its totient is φ = 44146944.

The previous prime is 164210003. The next prime is 164210009. The reversal of 164210004 is 400012461.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164210003) 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 39 ways as a sum of consecutive naturals, for example, 36427 + ... + 40685.

It is an arithmetic number, because the mean of its divisors is an integer number (4329864).

Almost surely, 2^164210004 is an apocalyptic number.

164210004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164210004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259791840).

164210004 is an abundant number, since it is smaller than the sum of its proper divisors (355373676).

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

164210004 is a wasteful number, since it uses less digits than its factorization.

164210004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299 (or 4288 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 164210004 is about 12814.4451303987. The cubic root of 164210004 is about 547.6039059688.

Adding to 164210004 its reverse (400012461), we get a palindrome (564222465).

The spelling of 164210004 in words is "one hundred sixty-four million, two hundred ten thousand, four".