6551650 has 24 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 2246160.

The previous prime is 6551639. The next prime is 6551653. The reversal of 6551650 is 561556.

It is not an unprimeable number, because it can be changed into a prime (6551653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9010 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (580320).

Almost surely, 2^6551650 is an apocalyptic number.

6551650 is an abundant number, since it is smaller than the sum of its proper divisors (7376030).

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

6551650 is a wasteful number, since it uses less digits than its factorization.

6551650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738 (or 18733 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 6551650 is about 2559.6191122900. The cubic root of 6551650 is about 187.1185727450.

It can be divided in two parts, 65 and 51650, that added together give a palindrome (51715).

The spelling of 6551650 in words is "six million, five hundred fifty-one thousand, six hundred fifty".