6668131453 has 32 divisors (see below), whose sum is σ = 7391139840. Its totient is φ = 5992496640.

The previous prime is 6668131447. The next prime is 6668131471. The reversal of 6668131453 is 3541318666.

It is not a de Polignac number, because 6668131453 - 2²⁵ = 6634577021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668131423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7116001 + ... + 7116937.

It is an arithmetic number, because the mean of its divisors is an integer number (230973120).

Almost surely, 2^6668131453 is an apocalyptic number.

It is an amenable number.

6668131453 is a deficient number, since it is larger than the sum of its proper divisors (723008387).

6668131453 is a wasteful number, since it uses less digits than its factorization.

6668131453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its digits is 311040, while the sum is 43.

The square root of 6668131453 is about 81658.6275478593. The cubic root of 6668131453 is about 1882.2098893393.

The spelling of 6668131453 in words is "six billion, six hundred sixty-eight million, one hundred thirty-one thousand, four hundred fifty-three".