6650065051 has 4 divisors (see below), whose sum is σ = 7600074352. Its totient is φ = 5700055752.

The previous prime is 6650065031. The next prime is 6650065057. The reversal of 6650065051 is 1505600566.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6650065051 - 2¹³ = 6650056859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6650064998 and 6650065016.

It is not an unprimeable number, because it can be changed into a prime (6650065057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475004640 + ... + 475004653.

It is an arithmetic number, because the mean of its divisors is an integer number (1900018588).

Almost surely, 2^6650065051 is an apocalyptic number.

6650065051 is a deficient number, since it is larger than the sum of its proper divisors (950009301).

6650065051 is an equidigital number, since it uses as much as digits as its factorization.

6650065051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950009300.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 6650065051 is about 81547.9310037968. The cubic root of 6650065051 is about 1880.5084873051.

The spelling of 6650065051 in words is "six billion, six hundred fifty million, sixty-five thousand, fifty-one".