164379161 has 4 divisors (see below), whose sum is σ = 164424192. Its totient is φ = 164334132.

The previous prime is 164379139. The next prime is 164379167. The reversal of 164379161 is 161973461.

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.

It is a cyclic number.

It is not a de Polignac number, because 164379161 - 2⁶ = 164379097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164379167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16505 + ... + 24518.

It is an arithmetic number, because the mean of its divisors is an integer number (41106048).

Almost surely, 2^164379161 is an apocalyptic number.

It is an amenable number.

164379161 is a deficient number, since it is larger than the sum of its proper divisors (45031).

164379161 is an equidigital number, since it uses as much as digits as its factorization.

164379161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45030.

The product of its digits is 27216, while the sum is 38.

The square root of 164379161 is about 12821.0436782658. The cubic root of 164379161 is about 547.7918751194.

The spelling of 164379161 in words is "one hundred sixty-four million, three hundred seventy-nine thousand, one hundred sixty-one".