6620677632 has 60 divisors (see below), whose sum is σ = 19107737220. Its totient is φ = 2206891008.

The previous prime is 6620677619. The next prime is 6620677681. The reversal of 6620677632 is 2367760266.

6620677632 is a `hidden beast` number, since 6 + 6 + 2 + 0 + 6 + 7 + 7 + 632 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 713782 + ... + 722997.

It is an arithmetic number, because the mean of its divisors is an integer number (318462287).

Almost surely, 2^6620677632 is an apocalyptic number.

It is an amenable number.

6620677632 is an abundant number, since it is smaller than the sum of its proper divisors (12487059588).

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

6620677632 is a wasteful number, since it uses less digits than its factorization.

6620677632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436803 (or 1436784 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 6620677632 is about 81367.5465526643. The cubic root of 6620677632 is about 1877.7343341772.

The spelling of 6620677632 in words is "six billion, six hundred twenty million, six hundred seventy-seven thousand, six hundred thirty-two".