164326801 has 4 divisors (see below), whose sum is σ = 172975600. Its totient is φ = 155678004.

The previous prime is 164326787. The next prime is 164326843. The reversal of 164326801 is 108623461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108623461 = 43 ⋅2526127.

It is a cyclic number.

It is not a de Polignac number, because 164326801 - 2⁵ = 164326769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164326891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324371 + ... + 4324408.

It is an arithmetic number, because the mean of its divisors is an integer number (43243900).

Almost surely, 2^164326801 is an apocalyptic number.

It is an amenable number.

164326801 is a deficient number, since it is larger than the sum of its proper divisors (8648799).

164326801 is an equidigital number, since it uses as much as digits as its factorization.

164326801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648798.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 164326801 is about 12819.0015601840. The cubic root of 164326801 is about 547.7337058876.

The spelling of 164326801 in words is "one hundred sixty-four million, three hundred twenty-six thousand, eight hundred one".