6601625252220 has 48 divisors (see below), whose sum is σ = 18561891962880. Its totient is φ = 1753067566656.

The previous prime is 6601625252177. The next prime is 6601625252221. The reversal of 6601625252220 is 222525261066.

It is a super-2 number, since 2×6601625252220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601625252221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230167852 + ... + 230196531.

It is an arithmetic number, because the mean of its divisors is an integer number (386706082560).

Almost surely, 2^{6601625252220} is an apocalyptic number.

6601625252220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6601625252220 is an abundant number, since it is smaller than the sum of its proper divisors (11960266710660).

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

6601625252220 is a wasteful number, since it uses less digits than its factorization.

6601625252220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460364634 (or 460364632 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 6601625252220 in words is "six trillion, six hundred one billion, six hundred twenty-five million, two hundred fifty-two thousand, two hundred twenty".