6663637351 has 6 divisors (see below), whose sum is σ = 7751578200. Its totient is φ = 5711689116.

The previous prime is 6663637327. The next prime is 6663637361. The reversal of 6663637351 is 1537363666.

It is not a de Polignac number, because 6663637351 - 2¹⁷ = 6663506279 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 (6663637361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67996251 + ... + 67996348.

It is an arithmetic number, because the mean of its divisors is an integer number (1291929700).

Almost surely, 2^6663637351 is an apocalyptic number.

6663637351 is a deficient number, since it is larger than the sum of its proper divisors (1087940849).

6663637351 is a wasteful number, since it uses less digits than its factorization.

6663637351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135992613 (or 135992606 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 46.

The square root of 6663637351 is about 81631.1052908142. The cubic root of 6663637351 is about 1881.7869450544.

The spelling of 6663637351 in words is "six billion, six hundred sixty-three million, six hundred thirty-seven thousand, three hundred fifty-one".