3663420606 has 24 divisors (see below), whose sum is σ = 7964512920. Its totient is φ = 1216970736.

The previous prime is 3663420569. The next prime is 3663420637. The reversal of 3663420606 is 6060243663.

3663420606 is a `hidden beast` number, since 3 + 6 + 6 + 3 + 42 + 0 + 606 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342036 + ... + 352583.

It is an arithmetic number, because the mean of its divisors is an integer number (331854705).

Almost surely, 2^3663420606 is an apocalyptic number.

3663420606 is an abundant number, since it is smaller than the sum of its proper divisors (4301092314).

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

3663420606 is a wasteful number, since it uses less digits than its factorization.

3663420606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694920 (or 694917 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 3663420606 is about 60526.1976833173. The cubic root of 3663420606 is about 1541.5664902985.

The spelling of 3663420606 in words is "three billion, six hundred sixty-three million, four hundred twenty thousand, six hundred six".