6606720051 has 8 divisors (see below), whose sum is σ = 8809353360. Its totient is φ = 4404283392.

The previous prime is 6606720049. The next prime is 6606720059. The reversal of 6606720051 is 1500276066.

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

It is not a de Polignac number, because 6606720051 - 2¹ = 6606720049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6606719994 and 6606720021.

It is not an unprimeable number, because it can be changed into a prime (6606720059) 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, 71635 + ... + 135443.

It is an arithmetic number, because the mean of its divisors is an integer number (1101169170).

Almost surely, 2^6606720051 is an apocalyptic number.

6606720051 is a deficient number, since it is larger than the sum of its proper divisors (2202633309).

6606720051 is a wasteful number, since it uses less digits than its factorization.

6606720051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98325.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6606720051 is about 81281.7325787289. The cubic root of 6606720051 is about 1876.4138717498.

The spelling of 6606720051 in words is "six billion, six hundred six million, seven hundred twenty thousand, fifty-one".