6651560006 has 32 divisors (see below), whose sum is σ = 12565394688. Its totient is φ = 2570188320.

The previous prime is 6651559997. The next prime is 6651560009. The reversal of 6651560006 is 6000651566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651560009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417140 + ... + 432791.

It is an arithmetic number, because the mean of its divisors is an integer number (392668584).

Almost surely, 2^6651560006 is an apocalyptic number.

6651560006 is a deficient number, since it is larger than the sum of its proper divisors (5913834682).

6651560006 is a wasteful number, since it uses less digits than its factorization.

6651560006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849996.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6651560006 is about 81557.0966010929. The cubic root of 6651560006 is about 1880.6493914371.

The spelling of 6651560006 in words is "six billion, six hundred fifty-one million, five hundred sixty thousand, six".