6656022751 has 24 divisors (see below), whose sum is σ = 7803838080. Its totient is φ = 5660327232.

The previous prime is 6656022749. The next prime is 6656022799. The reversal of 6656022751 is 1572206566.

It is not a de Polignac number, because 6656022751 - 2¹ = 6656022749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656022151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3650226 + ... + 3652048.

It is an arithmetic number, because the mean of its divisors is an integer number (325159920).

Almost surely, 2^6656022751 is an apocalyptic number.

6656022751 is a deficient number, since it is larger than the sum of its proper divisors (1147815329).

6656022751 is a wasteful number, since it uses less digits than its factorization.

6656022751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 6656022751 is about 81584.4516498089. The cubic root of 6656022751 is about 1881.0698934120.

The spelling of 6656022751 in words is "six billion, six hundred fifty-six million, twenty-two thousand, seven hundred fifty-one".