2154164 has 12 divisors (see below), whose sum is σ = 3799488. Its totient is φ = 1068600.

The previous prime is 2154161. The next prime is 2154169. The reversal of 2154164 is 4614512.

2154164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (316624).

2^2154164 is an apocalyptic number.

It is an amenable number.

2154164 is a deficient number, since it is larger than the sum of its proper divisors (1645324).

2154164 is a wasteful number, since it uses less digits than its factorization.

2154164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246 (or 4244 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2154164 is about 1467.7070552396. The cubic root of 2154164 is about 129.1495571279.

Adding to 2154164 its reverse (4614512), we get a palindrome (6768676).

The spelling of 2154164 in words is "two million, one hundred fifty-four thousand, one hundred sixty-four".