6522020605651 has 4 divisors (see below), whose sum is σ = 6524359088400. Its totient is φ = 6519682122904.

The previous prime is 6522020605631. The next prime is 6522020605673. The reversal of 6522020605651 is 1565060202256.

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 6522020605651 - 2¹⁵ = 6522020572883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6522020605631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169237191 + ... + 1169242768.

It is an arithmetic number, because the mean of its divisors is an integer number (1631089772100).

Almost surely, 2^{6522020605651} is an apocalyptic number.

6522020605651 is a deficient number, since it is larger than the sum of its proper divisors (2338482749).

6522020605651 is a wasteful number, since it uses less digits than its factorization.

6522020605651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338482748.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 6522020605651 in words is "six trillion, five hundred twenty-two billion, twenty million, six hundred five thousand, six hundred fifty-one".