2163154611 has 32 divisors (see below), whose sum is σ = 3058026496. Its totient is φ = 1358208000.

The previous prime is 2163154607. The next prime is 2163154619. The reversal of 2163154611 is 1164513612.

It is a happy number.

It is not a de Polignac number, because 2163154611 - 2² = 2163154607 is a prime.

It is a super-2 number, since 2×2163154611² = 9358475742181122642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2163154619) 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 31 ways as a sum of consecutive naturals, for example, 548316 + ... + 552246.

It is an arithmetic number, because the mean of its divisors is an integer number (95563328).

Almost surely, 2^2163154611 is an apocalyptic number.

2163154611 is a deficient number, since it is larger than the sum of its proper divisors (894871885).

2163154611 is a wasteful number, since it uses less digits than its factorization.

2163154611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123.

The product of its digits is 4320, while the sum is 30.

The square root of 2163154611 is about 46509.7259828522. The cubic root of 2163154611 is about 1293.2898045201.

The spelling of 2163154611 in words is "two billion, one hundred sixty-three million, one hundred fifty-four thousand, six hundred eleven".