6656094451 has 4 divisors (see below), whose sum is σ = 6695951472. Its totient is φ = 6616237432.

The previous prime is 6656094437. The next prime is 6656094481. The reversal of 6656094451 is 1544906566.

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 6656094451 - 2¹¹ = 6656092403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6656094481) 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, 19928260 + ... + 19928593.

It is an arithmetic number, because the mean of its divisors is an integer number (1673987868).

Almost surely, 2^6656094451 is an apocalyptic number.

6656094451 is a deficient number, since it is larger than the sum of its proper divisors (39857021).

6656094451 is a wasteful number, since it uses less digits than its factorization.

6656094451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39857020.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 6656094451 is about 81584.8910705898. The cubic root of 6656094451 is about 1881.0766478073.

The spelling of 6656094451 in words is "six billion, six hundred fifty-six million, ninety-four thousand, four hundred fifty-one".