6651486624 has 48 divisors (see below), whose sum is σ = 17831657088. Its totient is φ = 2169987072.

The previous prime is 6651486571. The next prime is 6651486641. The reversal of 6651486624 is 4266841566.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 732577 + ... + 741600.

It is an arithmetic number, because the mean of its divisors is an integer number (371492856).

Almost surely, 2^6651486624 is an apocalyptic number.

It is an amenable number.

6651486624 is an abundant number, since it is smaller than the sum of its proper divisors (11180170464).

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

6651486624 is a wasteful number, since it uses less digits than its factorization.

6651486624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474237 (or 1474229 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 6651486624 is about 81556.6467187071. The cubic root of 6651486624 is about 1880.6424754494.

The spelling of 6651486624 in words is "six billion, six hundred fifty-one million, four hundred eighty-six thousand, six hundred twenty-four".