2665530803 has 8 divisors (see below), whose sum is σ = 2900166528. Its totient is φ = 2435122944.

The previous prime is 2665530781. The next prime is 2665530811. The reversal of 2665530803 is 3080355662.

It is a happy number.

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 2665530803 - 2⁶ = 2665530739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2665530823) 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, 1055651 + ... + 1058172.

It is an arithmetic number, because the mean of its divisors is an integer number (362520816).

Almost surely, 2^2665530803 is an apocalyptic number.

2665530803 is a deficient number, since it is larger than the sum of its proper divisors (234635725).

2665530803 is a wasteful number, since it uses less digits than its factorization.

2665530803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113933.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2665530803 is about 51628.7788253799. The cubic root of 2665530803 is about 1386.5256297696.

The spelling of 2665530803 in words is "two billion, six hundred sixty-five million, five hundred thirty thousand, eight hundred three".