6625882820 has 12 divisors (see below), whose sum is σ = 13914353964. Its totient is φ = 2650353120.

The previous prime is 6625882799. The next prime is 6625882829. The reversal of 6625882820 is 282885266.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 787700356 + 5838182464 = 28066^2 + 76408^2 .

It is not an unprimeable number, because it can be changed into a prime (6625882829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165647051 + ... + 165647090.

It is an arithmetic number, because the mean of its divisors is an integer number (1159529497).

Almost surely, 2^6625882820 is an apocalyptic number.

It is an amenable number.

6625882820 is an abundant number, since it is smaller than the sum of its proper divisors (7288471144).

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

6625882820 is a wasteful number, since it uses less digits than its factorization.

6625882820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331294150 (or 331294148 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 6625882820 is about 81399.5259199954. The cubic root of 6625882820 is about 1878.2262979131.

The spelling of 6625882820 in words is "six billion, six hundred twenty-five million, eight hundred eighty-two thousand, eight hundred twenty".