2154471164 has 12 divisors (see below), whose sum is σ = 3850544544. Its totient is φ = 1054315584.

The previous prime is 2154471131. The next prime is 2154471167. The reversal of 2154471164 is 4611744512.

2154471164 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 (2154471167) 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, 5729789 + ... + 5730164.

It is an arithmetic number, because the mean of its divisors is an integer number (320878712).

Almost surely, 2^2154471164 is an apocalyptic number.

It is an amenable number.

2154471164 is a deficient number, since it is larger than the sum of its proper divisors (1696073380).

2154471164 is a wasteful number, since it uses less digits than its factorization.

2154471164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460004 (or 11460002 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 2154471164 is about 46416.2812383758. The cubic root of 2154471164 is about 1291.5569534969.

The spelling of 2154471164 in words is "two billion, one hundred fifty-four million, four hundred seventy-one thousand, one hundred sixty-four".