164156411 has 4 divisors (see below), whose sum is σ = 165781824. Its totient is φ = 162531000.

The previous prime is 164156401. The next prime is 164156417. The reversal of 164156411 is 114651461.

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 164156411 - 2⁶ = 164156347 is a prime.

It is a super-3 number, since 3×164156411³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164156417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812555 + ... + 812756.

It is an arithmetic number, because the mean of its divisors is an integer number (41445456).

Almost surely, 2^164156411 is an apocalyptic number.

164156411 is a deficient number, since it is larger than the sum of its proper divisors (1625413).

164156411 is a wasteful number, since it uses less digits than its factorization.

164156411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625412.

The product of its digits is 2880, while the sum is 29.

The square root of 164156411 is about 12812.3538430688. The cubic root of 164156411 is about 547.5443259012.

The spelling of 164156411 in words is "one hundred sixty-four million, one hundred fifty-six thousand, four hundred eleven".