6625331286 has 96 divisors (see below), whose sum is σ = 16227122688. Its totient is φ = 1762168320.

The previous prime is 6625331267. The next prime is 6625331351. The reversal of 6625331286 is 6821335266.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16198650 + ... + 16199058.

It is an arithmetic number, because the mean of its divisors is an integer number (169032528).

Almost surely, 2^6625331286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6625331286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8113561344).

6625331286 is an abundant number, since it is smaller than the sum of its proper divisors (9601791402).

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

6625331286 is a wasteful number, since it uses less digits than its factorization.

6625331286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 485 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 6625331286 is about 81396.1380287787. The cubic root of 6625331286 is about 1878.1741823719.

The spelling of 6625331286 in words is "six billion, six hundred twenty-five million, three hundred thirty-one thousand, two hundred eighty-six".