2165927832 has 96 divisors (see below), whose sum is σ = 5974113600. Its totient is φ = 708784128.

The previous prime is 2165927807. The next prime is 2165927833. The reversal of 2165927832 is 2387295612.

2165927832 is a `hidden beast` number, since 21 + 6 + 592 + 7 + 8 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165927833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1096798 + ... + 1098770.

It is an arithmetic number, because the mean of its divisors is an integer number (62230350).

Almost surely, 2^2165927832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2165927832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987056800).

2165927832 is an abundant number, since it is smaller than the sum of its proper divisors (3808185768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2165927832 is a wasteful number, since it uses less digits than its factorization.

2165927832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257 (or 2250 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2165927832 is about 46539.5297784582. The cubic root of 2165927832 is about 1293.8422456666.

The spelling of 2165927832 in words is "two billion, one hundred sixty-five million, nine hundred twenty-seven thousand, eight hundred thirty-two".