164246404 has 96 divisors (see below), whose sum is σ = 360976896. Its totient is φ = 63866880.

The previous prime is 164246389. The next prime is 164246419. The reversal of 164246404 is 404642461.

It is an interprime number because it is at equal distance from previous prime (164246389) and next prime (164246419).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1453452 + ... + 1453564.

It is an arithmetic number, because the mean of its divisors is an integer number (3760176).

Almost surely, 2^164246404 is an apocalyptic number.

164246404 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 164246404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180488448).

164246404 is an abundant number, since it is smaller than the sum of its proper divisors (196730492).

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

164246404 is a wasteful number, since it uses less digits than its factorization.

164246404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 164246404 is about 12815.8653238866. The cubic root of 164246404 is about 547.6443649524.

Adding to 164246404 its reverse (404642461), we get a palindrome (568888865).

The spelling of 164246404 in words is "one hundred sixty-four million, two hundred forty-six thousand, four hundred four".