6650030520 has 96 divisors (see below), whose sum is σ = 24700122720. Its totient is φ = 1520006400.

The previous prime is 6650030393. The next prime is 6650030521. The reversal of 6650030520 is 250300566.

6650030520 is a `hidden beast` number, since 6 + 650 + 0 + 3 + 0 + 5 + 2 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650030521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1316931 + ... + 1321970.

It is an arithmetic number, because the mean of its divisors is an integer number (257292945).

Almost surely, 2^6650030520 is an apocalyptic number.

6650030520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6650030520 is an abundant number, since it is smaller than the sum of its proper divisors (18050092200).

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

6650030520 is a wasteful number, since it uses less digits than its factorization.

6650030520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638925 (or 2638918 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 6650030520 is about 81547.7192814122. The cubic root of 6650030520 is about 1880.5052324021.

It can be divided in two parts, 66500 and 30520, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 6650030520 in words is "six billion, six hundred fifty million, thirty thousand, five hundred twenty".