2165652375 has 32 divisors (see below), whose sum is σ = 3609907392. Its totient is φ = 1153008000.

The previous prime is 2165652371. The next prime is 2165652409. The reversal of 2165652375 is 5732565612.

It is not a de Polignac number, because 2165652375 - 2² = 2165652371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165652371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225165 + ... + 234585.

It is an arithmetic number, because the mean of its divisors is an integer number (112809606).

Almost surely, 2^2165652375 is an apocalyptic number.

2165652375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2165652375 is a deficient number, since it is larger than the sum of its proper divisors (1444255017).

2165652375 is an equidigital number, since it uses as much as digits as its factorization.

2165652375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052 (or 10042 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 2165652375 is about 46536.5702969181. The cubic root of 2165652375 is about 1293.7873941909.

The spelling of 2165652375 in words is "two billion, one hundred sixty-five million, six hundred fifty-two thousand, three hundred seventy-five".