6634554366 has 64 divisors (see below), whose sum is σ = 15063459840. Its totient is φ = 1930383840.

The previous prime is 6634554341. The next prime is 6634554403.

6634554366 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147631 + ... + 187253.

It is an arithmetic number, because the mean of its divisors is an integer number (235366560).

Almost surely, 2^6634554366 is an apocalyptic number.

6634554366 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6634554366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7531729920).

6634554366 is an abundant number, since it is smaller than the sum of its proper divisors (8428905474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6634554366 is a wasteful number, since it uses less digits than its factorization.

6634554366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39741.

The product of its digits is 4665600, while the sum is 48.

The square root of 6634554366 is about 81452.7738385870. The cubic root of 6634554366 is about 1879.0453095654.

The spelling of 6634554366 in words is "six billion, six hundred thirty-four million, five hundred fifty-four thousand, three hundred sixty-six".