3665563248 has 40 divisors (see below), whose sum is σ = 9474675328. Its totient is φ = 1221170112.

The previous prime is 3665563243. The next prime is 3665563357. The reversal of 3665563248 is 8423655663.

3665563248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 3665563197 and 3665563206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665563243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69165 + ... + 110067.

Almost surely, 2^3665563248 is an apocalyptic number.

It is an amenable number.

3665563248 is an abundant number, since it is smaller than the sum of its proper divisors (5809112080).

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

3665563248 is a wasteful number, since it uses less digits than its factorization.

3665563248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42781 (or 42775 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The square root of 3665563248 is about 60543.8952166112. The cubic root of 3665563248 is about 1541.8669728002.

The spelling of 3665563248 in words is "three billion, six hundred sixty-five million, five hundred sixty-three thousand, two hundred forty-eight".