6605566051 has 8 divisors (see below), whose sum is σ = 7551994464. Its totient is φ = 5659831680.

The previous prime is 6605566021. The next prime is 6605566063. The reversal of 6605566051 is 1506655066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6605566051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6605565995 and 6605566013.

It is not an unprimeable number, because it can be changed into a prime (6605566021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152950 + ... + 191323.

It is an arithmetic number, because the mean of its divisors is an integer number (943999308).

Almost surely, 2^6605566051 is an apocalyptic number.

6605566051 is a deficient number, since it is larger than the sum of its proper divisors (946428413).

6605566051 is a wasteful number, since it uses less digits than its factorization.

6605566051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347021.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 6605566051 is about 81274.6335027110. The cubic root of 6605566051 is about 1876.3046139194.

The spelling of 6605566051 in words is "six billion, six hundred five million, five hundred sixty-six thousand, fifty-one".