164279161 has 16 divisors (see below), whose sum is σ = 171739008. Its totient is φ = 157046400.

The previous prime is 164279153. The next prime is 164279173. The reversal of 164279161 is 161972461.

It is a cyclic number.

It is not a de Polignac number, because 164279161 - 2³ = 164279153 is a prime.

It is a Duffinian number.

Its product of digits (18144) is a multiple of the sum of its prime divisors (672).

It is a self number, because there is not a number n which added to its sum of digits gives 164279161.

It is not an unprimeable number, because it can be changed into a prime (164279191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359245 + ... + 359701.

It is an arithmetic number, because the mean of its divisors is an integer number (10733688).

Almost surely, 2^164279161 is an apocalyptic number.

It is an amenable number.

164279161 is a deficient number, since it is larger than the sum of its proper divisors (7459847).

164279161 is an equidigital number, since it uses as much as digits as its factorization.

164279161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672.

The product of its digits is 18144, while the sum is 37.

The square root of 164279161 is about 12817.1432464493. The cubic root of 164279161 is about 547.6807695931.

The spelling of 164279161 in words is "one hundred sixty-four million, two hundred seventy-nine thousand, one hundred sixty-one".