6670628071 has 16 divisors (see below), whose sum is σ = 6909235200. Its totient is φ = 6436523808.

The previous prime is 6670628051. The next prime is 6670628077. The reversal of 6670628071 is 1708260766.

6670628071 = 6398² + 6399² + ... + 6556².

It is a cyclic number.

It is not a de Polignac number, because 6670628071 - 2⁵ = 6670628039 is a prime.

It is a super-2 number, since 2×6670628071² = 88994557723226362082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670628077) 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 15 ways as a sum of consecutive naturals, for example, 2978170 + ... + 2980408.

It is an arithmetic number, because the mean of its divisors is an integer number (431827200).

Almost surely, 2^6670628071 is an apocalyptic number.

6670628071 is a deficient number, since it is larger than the sum of its proper divisors (238607129).

6670628071 is a wasteful number, since it uses less digits than its factorization.

6670628071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 6670628071 is about 81673.9130383747. The cubic root of 6670628071 is about 1882.4447663696. Note that the first 3 decimals are identical.

The spelling of 6670628071 in words is "six billion, six hundred seventy million, six hundred twenty-eight thousand, seventy-one".