2165416432 has 20 divisors (see below), whose sum is σ = 4196278296. Its totient is φ = 1082505920.

The previous prime is 2165416411. The next prime is 2165416439. The reversal of 2165416432 is 2346145612.

It is a super-2 number, since 2×2165416432² = 9378056647951221248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165416439) 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, 114258 + ... + 131854.

Almost surely, 2^2165416432 is an apocalyptic number.

It is an amenable number.

2165416432 is a deficient number, since it is larger than the sum of its proper divisors (2030861864).

2165416432 is a wasteful number, since it uses less digits than its factorization.

2165416432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25296 (or 25290 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 2165416432 is about 46534.0352000555. The cubic root of 2165416432 is about 1293.7404074001.

The spelling of 2165416432 in words is "two billion, one hundred sixty-five million, four hundred sixteen thousand, four hundred thirty-two".