2132355665 has 8 divisors (see below), whose sum is σ = 2791447488. Its totient is φ = 1550804080.

The previous prime is 2132355647. The next prime is 2132355683. The reversal of 2132355665 is 5665532312.

It is an interprime number because it is at equal distance from previous prime (2132355647) and next prime (2132355683).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2132355665 - 2¹⁰ = 2132354641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19384997 + ... + 19385106.

It is an arithmetic number, because the mean of its divisors is an integer number (348930936).

Almost surely, 2^2132355665 is an apocalyptic number.

It is an amenable number.

2132355665 is a deficient number, since it is larger than the sum of its proper divisors (659091823).

2132355665 is a wasteful number, since it uses less digits than its factorization.

2132355665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38770119.

The product of its digits is 162000, while the sum is 38.

The square root of 2132355665 is about 46177.4367521628. The cubic root of 2132355665 is about 1287.1224976764.

Adding to 2132355665 its reverse (5665532312), we get a palindrome (7797887977).

The spelling of 2132355665 in words is "two billion, one hundred thirty-two million, three hundred fifty-five thousand, six hundred sixty-five".