2665802338 has 16 divisors (see below), whose sum is σ = 4010517504. Its totient is φ = 1328970240.

The previous prime is 2665802333. The next prime is 2665802357. The reversal of 2665802338 is 8332085662.

It is a junction number, because it is equal to n+sod(n) for n = 2665802294 and 2665802303.

It is not an unprimeable number, because it can be changed into a prime (2665802333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700431 + ... + 1701997.

It is an arithmetic number, because the mean of its divisors is an integer number (250657344).

Almost surely, 2^2665802338 is an apocalyptic number.

2665802338 is a deficient number, since it is larger than the sum of its proper divisors (1344715166).

2665802338 is a wasteful number, since it uses less digits than its factorization.

2665802338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 2665802338 is about 51631.4084448604. The cubic root of 2665802338 is about 1386.5727095049.

The spelling of 2665802338 in words is "two billion, six hundred sixty-five million, eight hundred two thousand, three hundred thirty-eight".