8465665648 has 20 divisors (see below), whose sum is σ = 17893339128. Its totient is φ = 3848029760.

The previous prime is 8465665619. The next prime is 8465665667.

8465665648 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×8465665648³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8465665592 and 8465665601.

It is a congruent number.

It is an unprimeable number.

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, 24050011 + ... + 24050362.

Almost surely, 2^8465665648 is an apocalyptic number.

8465665648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8465665648 is an abundant number, since it is smaller than the sum of its proper divisors (9427673480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8465665648 is a wasteful number, since it uses less digits than its factorization.

8465665648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48100392 (or 48100386 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 58.

The square root of 8465665648 is about 92009.0519894646. The cubic root of 8465665648 is about 2038.0759803754.

The spelling of 8465665648 in words is "eight billion, four hundred sixty-five million, six hundred sixty-five thousand, six hundred forty-eight".