164414191 has 8 divisors (see below), whose sum is σ = 174991104. Its totient is φ = 153937920.

The previous prime is 164414161. The next prime is 164414207. The reversal of 164414191 is 191414461.

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

It is a cyclic number.

It is not a de Polignac number, because 164414191 - 2⁹ = 164413679 is a prime.

It is a super-3 number, since 3×164414191³ (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 (164414161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21775 + ... + 28336.

It is an arithmetic number, because the mean of its divisors is an integer number (21873888).

Almost surely, 2^164414191 is an apocalyptic number.

164414191 is a deficient number, since it is larger than the sum of its proper divisors (10576913).

164414191 is a wasteful number, since it uses less digits than its factorization.

164414191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50321.

The product of its digits is 3456, while the sum is 31.

The square root of 164414191 is about 12822.4097189257. The cubic root of 164414191 is about 547.8307847280.

The spelling of 164414191 in words is "one hundred sixty-four million, four hundred fourteen thousand, one hundred ninety-one".