6620527657007 has 8 divisors (see below), whose sum is σ = 7602519797760. Its totient is φ = 5701889847960.

The previous prime is 6620527656979. The next prime is 6620527657033. The reversal of 6620527657007 is 7007567250266.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6620527657007 - 2³⁰ = 6619453915183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6620527657007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620527654007) 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, 15838582703 + ... + 15838583120.

It is an arithmetic number, because the mean of its divisors is an integer number (950314974720).

Almost surely, 2^{6620527657007} is an apocalyptic number.

6620527657007 is a deficient number, since it is larger than the sum of its proper divisors (981992140753).

6620527657007 is a wasteful number, since it uses less digits than its factorization.

6620527657007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31677165853.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 6620527657007 in words is "six trillion, six hundred twenty billion, five hundred twenty-seven million, six hundred fifty-seven thousand, seven".