164166630 has 16 divisors (see below), whose sum is σ = 393999984. Its totient is φ = 43777760.

The previous prime is 164166581. The next prime is 164166659. The reversal of 164166630 is 36661461.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 164166591 and 164166600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736081 + ... + 2736140.

It is an arithmetic number, because the mean of its divisors is an integer number (24624999).

Almost surely, 2^164166630 is an apocalyptic number.

164166630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164166630 is an abundant number, since it is smaller than the sum of its proper divisors (229833354).

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

164166630 is a wasteful number, since it uses less digits than its factorization.

164166630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472231.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 164166630 is about 12812.7526316557. The cubic root of 164166630 is about 547.5556875031. Note that the first 3 decimals are identical.

The spelling of 164166630 in words is "one hundred sixty-four million, one hundred sixty-six thousand, six hundred thirty".