6651560496 has 80 divisors (see below), whose sum is σ = 19700993024. Its totient is φ = 1894344192.

The previous prime is 6651560459. The next prime is 6651560537. The reversal of 6651560496 is 6940651566.

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 15 ways as a sum of consecutive naturals, for example, 73545 + ... + 136791.

Almost surely, 2^6651560496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6651560496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9850496512).

6651560496 is an abundant number, since it is smaller than the sum of its proper divisors (13049432528).

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

6651560496 is a wasteful number, since it uses less digits than its factorization.

6651560496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63578 (or 63572 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 6651560496 is about 81557.0996051233. The cubic root of 6651560496 is about 1880.6494376177.

The spelling of 6651560496 in words is "six billion, six hundred fifty-one million, five hundred sixty thousand, four hundred ninety-six".