6650634576 has 20 divisors (see below), whose sum is σ = 17180806112. Its totient is φ = 2216878176.

The previous prime is 6650634509. The next prime is 6650634611. The reversal of 6650634576 is 6754360566.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 138554887 = 6650634576 / (6 + 6 + 5 + 0 + 6 + 3 + 4 + 5 + 7 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69277396 + ... + 69277491.

Almost surely, 2^6650634576 is an apocalyptic number.

It is an amenable number.

6650634576 is an abundant number, since it is smaller than the sum of its proper divisors (10530171536).

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

6650634576 is a wasteful number, since it uses less digits than its factorization.

6650634576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138554898 (or 138554892 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 48.

The square root of 6650634576 is about 81551.4228937791. The cubic root of 6650634576 is about 1880.5621692875.

The spelling of 6650634576 in words is "six billion, six hundred fifty million, six hundred thirty-four thousand, five hundred seventy-six".