3656607748 has 12 divisors (see below), whose sum is σ = 6400764160. Its totient is φ = 1827817992.

The previous prime is 3656607743. The next prime is 3656607751. The reversal of 3656607748 is 8477066563.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3656607695 and 3656607704.

It is not an unprimeable number, because it can be changed into a prime (3656607743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104268 + ... + 134851.

Almost surely, 2^3656607748 is an apocalyptic number.

It is an amenable number.

3656607748 is a deficient number, since it is larger than the sum of its proper divisors (2744156412).

3656607748 is a wasteful number, since it uses less digits than its factorization.

3656607748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242946 (or 242944 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The square root of 3656607748 is about 60469.8912517626. The cubic root of 3656607748 is about 1540.6102809758.

The spelling of 3656607748 in words is "three billion, six hundred fifty-six million, six hundred seven thousand, seven hundred forty-eight".