2665028159 has 4 divisors (see below), whose sum is σ = 2697137016. Its totient is φ = 2632919304.

The previous prime is 2665028153. The next prime is 2665028161. The reversal of 2665028159 is 9518205662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2665028159 - 2⁸ = 2665027903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665028153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16054304 + ... + 16054469.

It is an arithmetic number, because the mean of its divisors is an integer number (674284254).

Almost surely, 2^2665028159 is an apocalyptic number.

2665028159 is a deficient number, since it is larger than the sum of its proper divisors (32108857).

2665028159 is an equidigital number, since it uses as much as digits as its factorization.

2665028159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32108856.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 2665028159 is about 51623.9107294285. The cubic root of 2665028159 is about 1386.4384710695.

The spelling of 2665028159 in words is "two billion, six hundred sixty-five million, twenty-eight thousand, one hundred fifty-nine".