6620142650 has 24 divisors (see below), whose sum is σ = 13432872384. Its totient is φ = 2407324400.

The previous prime is 6620142643. The next prime is 6620142671. The reversal of 6620142650 is 562410266.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6017762 + ... + 6018861.

It is an arithmetic number, because the mean of its divisors is an integer number (559703016).

Almost surely, 2^6620142650 is an apocalyptic number.

6620142650 is an abundant number, since it is smaller than the sum of its proper divisors (6812729734).

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

6620142650 is a wasteful number, since it uses less digits than its factorization.

6620142650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036646 (or 12036641 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6620142650 is about 81364.2590453573. The cubic root of 6620142650 is about 1877.6837562160.

The spelling of 6620142650 in words is "six billion, six hundred twenty million, one hundred forty-two thousand, six hundred fifty".