2124165928 has 8 divisors (see below), whose sum is σ = 3982811130. Its totient is φ = 1062082960.

The previous prime is 2124165881. The next prime is 2124165941. The reversal of 2124165928 is 8295614212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1916863524 + 207302404 = 43782^2 + 14398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2124165928² = 9024161779352202368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132760363 + ... + 132760378.

Almost surely, 2^2124165928 is an apocalyptic number.

It is an amenable number.

2124165928 is a deficient number, since it is larger than the sum of its proper divisors (1858645202).

2124165928 is a wasteful number, since it uses less digits than its factorization.

2124165928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265520747 (or 265520743 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 2124165928 is about 46088.6746175240. The cubic root of 2124165928 is about 1285.4725667305.

The spelling of 2124165928 in words is "two billion, one hundred twenty-four million, one hundred sixty-five thousand, nine hundred twenty-eight".