6654425646 has 16 divisors (see below), whose sum is σ = 14518747008. Its totient is φ = 2016492600.

The previous prime is 6654425639. The next prime is 6654425663. The reversal of 6654425646 is 6465244566.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6654425595 and 6654425604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50412250 + ... + 50412381.

It is an arithmetic number, because the mean of its divisors is an integer number (907421688).

Almost surely, 2^6654425646 is an apocalyptic number.

6654425646 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6654425646 is an abundant number, since it is smaller than the sum of its proper divisors (7864321362).

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

6654425646 is a wasteful number, since it uses less digits than its factorization.

6654425646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100824647.

The product of its digits is 4147200, while the sum is 48.

The square root of 6654425646 is about 81574.6630149337. The cubic root of 6654425646 is about 1880.9194278579.

The spelling of 6654425646 in words is "six billion, six hundred fifty-four million, four hundred twenty-five thousand, six hundred forty-six".