164290326 has 16 divisors (see below), whose sum is σ = 328721328. Its totient is φ = 54740000.

The previous prime is 164290289. The next prime is 164290349. The reversal of 164290326 is 623092461.

164290326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164290326² = 53982622434372552, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15076 + ... + 23576.

It is an arithmetic number, because the mean of its divisors is an integer number (20545083).

Almost surely, 2^164290326 is an apocalyptic number.

164290326 is an abundant number, since it is smaller than the sum of its proper divisors (164431002).

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

164290326 is a wasteful number, since it uses less digits than its factorization.

164290326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727.

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

The square root of 164290326 is about 12817.5787885232. The cubic root of 164290326 is about 547.6931767608.

The spelling of 164290326 in words is "one hundred sixty-four million, two hundred ninety thousand, three hundred twenty-six".