2161146124 has 12 divisors (see below), whose sum is σ = 3782388064. Its totient is φ = 1080463824.

The previous prime is 2161146109. The next prime is 2161146167. The reversal of 2161146124 is 4216411612.

It is a junction number, because it is equal to n+sod(n) for n = 2161146092 and 2161146101.

It is an unprimeable number.

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, 31069 + ... + 72715.

Almost surely, 2^2161146124 is an apocalyptic number.

It is an amenable number.

2161146124 is a deficient number, since it is larger than the sum of its proper divisors (1621241940).

2161146124 is a wasteful number, since it uses less digits than its factorization.

2161146124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54624 (or 54622 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2161146124 is about 46488.1288502775. The cubic root of 2161146124 is about 1292.8894077872.

Adding to 2161146124 its reverse (4216411612), we get a palindrome (6377557736).

The spelling of 2161146124 in words is "two billion, one hundred sixty-one million, one hundred forty-six thousand, one hundred twenty-four".