164706071 has 4 divisors (see below), whose sum is σ = 165078312. Its totient is φ = 164333832.

The previous prime is 164706043. The next prime is 164706089. The reversal of 164706071 is 170607461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164706071 - 2¹⁸ = 164443927 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 (164706371) 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, 185456 + ... + 186341.

It is an arithmetic number, because the mean of its divisors is an integer number (41269578).

Almost surely, 2^164706071 is an apocalyptic number.

164706071 is a deficient number, since it is larger than the sum of its proper divisors (372241).

164706071 is an equidigital number, since it uses as much as digits as its factorization.

164706071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372240.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 164706071 is about 12833.7863080231. The cubic root of 164706071 is about 548.1547760639.

The spelling of 164706071 in words is "one hundred sixty-four million, seven hundred six thousand, seventy-one".