6663334454 has 32 divisors (see below), whose sum is σ = 11602192896. Its totient is φ = 2811130560.

The previous prime is 6663334429. The next prime is 6663334547. The reversal of 6663334454 is 4544333666.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316319 + ... + 336725.

It is an arithmetic number, because the mean of its divisors is an integer number (362568528).

Almost surely, 2^6663334454 is an apocalyptic number.

6663334454 is a deficient number, since it is larger than the sum of its proper divisors (4938858442).

6663334454 is a wasteful number, since it uses less digits than its factorization.

6663334454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20780.

The product of its digits is 1866240, while the sum is 44.

The square root of 6663334454 is about 81629.2499904293. The cubic root of 6663334454 is about 1881.7584322854.

The spelling of 6663334454 in words is "six billion, six hundred sixty-three million, three hundred thirty-four thousand, four hundred fifty-four".