164190911 has 8 divisors (see below), whose sum is σ = 169718400. Its totient is φ = 158677920.

The previous prime is 164190883. The next prime is 164190931. The reversal of 164190911 is 119091461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164190911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164190931) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22505 + ... + 28893.

It is an arithmetic number, because the mean of its divisors is an integer number (21214800).

Almost surely, 2^164190911 is an apocalyptic number.

164190911 is a deficient number, since it is larger than the sum of its proper divisors (5527489).

164190911 is an equidigital number, since it uses as much as digits as its factorization.

164190911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 164190911 is about 12813.7001291586. The cubic root of 164190911 is about 547.5826815075.

The spelling of 164190911 in words is "one hundred sixty-four million, one hundred ninety thousand, nine hundred eleven".