3663633663 has 12 divisors (see below), whose sum is σ = 5292500928. Its totient is φ = 2442152160.

The previous prime is 3663633653. The next prime is 3663633667. The reversal of 3663633663 is 3663363663.

3663633663 is a `hidden beast` number, since 3 + 6 + 6 + 3 + 633 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 3663633663 - 2²² = 3659439359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663633667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96331 + ... + 128867.

It is an arithmetic number, because the mean of its divisors is an integer number (441041744).

Almost surely, 2^3663633663 is an apocalyptic number.

3663633663 is a deficient number, since it is larger than the sum of its proper divisors (1628867265).

3663633663 is a wasteful number, since it uses less digits than its factorization.

3663633663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45054 (or 45051 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 45.

The square root of 3663633663 is about 60527.9576972493. The cubic root of 3663633663 is about 1541.5963744969.

The spelling of 3663633663 in words is "three billion, six hundred sixty-three million, six hundred thirty-three thousand, six hundred sixty-three".