6602661630 has 24 divisors (see below), whose sum is σ = 17166920472. Its totient is φ = 1760709744.

The previous prime is 6602661617. The next prime is 6602661631. The reversal of 6602661630 is 361662066.

6602661630 is a `hidden beast` number, since 6 + 6 + 0 + 2 + 6 + 616 + 30 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6602661631) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 36681364 + ... + 36681543.

It is an arithmetic number, because the mean of its divisors is an integer number (715288353).

Almost surely, 2^6602661630 is an apocalyptic number.

6602661630 is an abundant number, since it is smaller than the sum of its proper divisors (10564258842).

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

6602661630 is a wasteful number, since it uses less digits than its factorization.

6602661630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73362920 (or 73362917 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 6602661630 is about 81256.7635954079. The cubic root of 6602661630 is about 1876.0295742841.

The spelling of 6602661630 in words is "six billion, six hundred two million, six hundred sixty-one thousand, six hundred thirty".