6625665265 has 16 divisors (see below), whose sum is σ = 7981876800. Its totient is φ = 5279856192.

The previous prime is 6625665229. The next prime is 6625665301. The reversal of 6625665265 is 5625665266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6625665229) and next prime (6625665301).

It is a cyclic number.

It is not a de Polignac number, because 6625665265 - 2⁹ = 6625664753 is a prime.

It is a super-3 number, since 3×6625665265³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1568326 + ... + 1572544.

It is an arithmetic number, because the mean of its divisors is an integer number (498867300).

Almost surely, 2^6625665265 is an apocalyptic number.

It is an amenable number.

6625665265 is a deficient number, since it is larger than the sum of its proper divisors (1356211535).

6625665265 is a wasteful number, since it uses less digits than its factorization.

6625665265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376.

The product of its digits is 3888000, while the sum is 49.

The square root of 6625665265 is about 81398.1895683190. The cubic root of 6625665265 is about 1878.2057410552.

Subtracting from 6625665265 its reverse (5625665266), we obtain a palindrome (999999999).

The spelling of 6625665265 in words is "six billion, six hundred twenty-five million, six hundred sixty-five thousand, two hundred sixty-five".