164141391 has 4 divisors (see below), whose sum is σ = 218855192. Its totient is φ = 109427592.

The previous prime is 164141377. The next prime is 164141407. The reversal of 164141391 is 193141461.

164141391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193141461 = 3 ⋅64380487.

It is not a de Polignac number, because 164141391 - 2¹¹ = 164139343 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 (164141591) 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, 27356896 + ... + 27356901.

It is an arithmetic number, because the mean of its divisors is an integer number (54713798).

Almost surely, 2^164141391 is an apocalyptic number.

164141391 is a deficient number, since it is larger than the sum of its proper divisors (54713801).

164141391 is an equidigital number, since it uses as much as digits as its factorization.

164141391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54713800.

The product of its digits is 2592, while the sum is 30.

The square root of 164141391 is about 12811.7676766323. The cubic root of 164141391 is about 547.5276256363.

The spelling of 164141391 in words is "one hundred sixty-four million, one hundred forty-one thousand, three hundred ninety-one".