164251326 has 24 divisors (see below), whose sum is σ = 343413000. Its totient is φ = 52368976.

The previous prime is 164251301. The next prime is 164251327. The reversal of 164251326 is 623152461.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164251293 and 164251302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164251327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22701 + ... + 29048.

It is an arithmetic number, because the mean of its divisors is an integer number (14308875).

Almost surely, 2^164251326 is an apocalyptic number.

164251326 is an abundant number, since it is smaller than the sum of its proper divisors (179161674).

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

164251326 is a wasteful number, since it uses less digits than its factorization.

164251326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51800 (or 51777 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 164251326 is about 12816.0573500589. The cubic root of 164251326 is about 547.6498353484.

The spelling of 164251326 in words is "one hundred sixty-four million, two hundred fifty-one thousand, three hundred twenty-six".