6625590084 has 36 divisors (see below), whose sum is σ = 16977451036. Its totient is φ = 2178275328.

The previous prime is 6625590071. The next prime is 6625590161. The reversal of 6625590084 is 4800955266.

It can be written as a sum of positive squares in 2 ways, for example, as 3959933184 + 2665656900 = 62928^2 + 51630^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6625590084² = 87796887922398254112, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1257949 + ... + 1263204.

Almost surely, 2^6625590084 is an apocalyptic number.

It is an amenable number.

6625590084 is an abundant number, since it is smaller than the sum of its proper divisors (10351860952).

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

6625590084 is a wasteful number, since it uses less digits than its factorization.

6625590084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521236 (or 2521231 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 6625590084 is about 81397.7277569835. The cubic root of 6625590084 is about 1878.1986370682.

The spelling of 6625590084 in words is "six billion, six hundred twenty-five million, five hundred ninety thousand, eighty-four".