164868506 has 8 divisors (see below), whose sum is σ = 269784864. Its totient is φ = 74940220.

The previous prime is 164868443. The next prime is 164868523. The reversal of 164868506 is 605868461.

164868506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3746990 + ... + 3747033.

It is an arithmetic number, because the mean of its divisors is an integer number (33723108).

Almost surely, 2^164868506 is an apocalyptic number.

164868506 is a deficient number, since it is larger than the sum of its proper divisors (104916358).

164868506 is a wasteful number, since it uses less digits than its factorization.

164868506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494036.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 164868506 is about 12840.1131614951. The cubic root of 164868506 is about 548.3349156825.

The spelling of 164868506 in words is "one hundred sixty-four million, eight hundred sixty-eight thousand, five hundred six".