164146404 has 24 divisors (see below), whose sum is σ = 384225408. Its totient is φ = 54541600.

The previous prime is 164146387. The next prime is 164146421. The reversal of 164146404 is 404641461.

It is an interprime number because it is at equal distance from previous prime (164146387) and next prime (164146421).

It is a super-2 number, since 2×164146404² = 53888083892262432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17772 + ... + 25379.

It is an arithmetic number, because the mean of its divisors is an integer number (16009392).

Almost surely, 2^164146404 is an apocalyptic number.

It is an amenable number.

164146404 is an abundant number, since it is smaller than the sum of its proper divisors (220079004).

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

164146404 is a wasteful number, since it uses less digits than its factorization.

164146404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43475 (or 43473 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 164146404 is about 12811.9633155891. The cubic root of 164146404 is about 547.5331995464.

Adding to 164146404 its reverse (404641461), we get a palindrome (568787865).

The spelling of 164146404 in words is "one hundred sixty-four million, one hundred forty-six thousand, four hundred four".