164411071 has 4 divisors (see below), whose sum is σ = 179357544. Its totient is φ = 149464600.

The previous prime is 164411003. The next prime is 164411089. The reversal of 164411071 is 170114461.

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 164411071 - 2²⁵ = 130856639 is a prime.

It is a super-3 number, since 3×164411071³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164411771) 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, 7473220 + ... + 7473241.

It is an arithmetic number, because the mean of its divisors is an integer number (44839386).

Almost surely, 2^164411071 is an apocalyptic number.

164411071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164411071 is a deficient number, since it is larger than the sum of its proper divisors (14946473).

164411071 is a wasteful number, since it uses less digits than its factorization.

164411071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14946472.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 164411071 is about 12822.2880563494. The cubic root of 164411071 is about 547.8273194090.

The spelling of 164411071 in words is "one hundred sixty-four million, four hundred eleven thousand, seventy-one".