164311806 has 8 divisors (see below), whose sum is σ = 328623624. Its totient is φ = 54770600.

The previous prime is 164311799. The next prime is 164311813. The reversal of 164311806 is 608113461.

It is an interprime number because it is at equal distance from previous prime (164311799) and next prime (164311813).

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

164311806 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 13692645 + ... + 13692656.

It is an arithmetic number, because the mean of its divisors is an integer number (41077953).

Almost surely, 2^164311806 is an apocalyptic number.

164311806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164311806 is a wasteful number, since it uses less digits than its factorization.

164311806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27385306.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 164311806 is about 12818.4166728969. The cubic root of 164311806 is about 547.7170449480.

The spelling of 164311806 in words is "one hundred sixty-four million, three hundred eleven thousand, eight hundred six".