2133165641 has 8 divisors (see below), whose sum is σ = 2179205760. Its totient is φ = 2087152848.

The previous prime is 2133165607. The next prime is 2133165719. The reversal of 2133165641 is 1465613312.

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

It is a cyclic number.

It is not a de Polignac number, because 2133165641 - 2¹⁸ = 2132903497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133165598 and 2133165607.

It is not an unprimeable number, because it can be changed into a prime (2133165941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269975 + ... + 277763.

It is an arithmetic number, because the mean of its divisors is an integer number (272400720).

Almost surely, 2^2133165641 is an apocalyptic number.

It is an amenable number.

2133165641 is a deficient number, since it is larger than the sum of its proper divisors (46040119).

2133165641 is an equidigital number, since it uses as much as digits as its factorization.

2133165641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663.

The product of its digits is 12960, while the sum is 32.

The square root of 2133165641 is about 46186.2061767364. The cubic root of 2133165641 is about 1287.2854483471.

Adding to 2133165641 its reverse (1465613312), we get a palindrome (3598778953).

The spelling of 2133165641 in words is "two billion, one hundred thirty-three million, one hundred sixty-five thousand, six hundred forty-one".