6625345620 has 24 divisors (see below), whose sum is σ = 18550967904. Its totient is φ = 1766758816.

The previous prime is 6625345609. The next prime is 6625345627. The reversal of 6625345620 is 265435266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625345627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55211154 + ... + 55211273.

It is an arithmetic number, because the mean of its divisors is an integer number (772956996).

Almost surely, 2^6625345620 is an apocalyptic number.

6625345620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6625345620 is an abundant number, since it is smaller than the sum of its proper divisors (11925622284).

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

6625345620 is a wasteful number, since it uses less digits than its factorization.

6625345620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110422439 (or 110422437 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 6625345620 is about 81396.2260795917. The cubic root of 6625345620 is about 1878.1755368566.

The spelling of 6625345620 in words is "six billion, six hundred twenty-five million, three hundred forty-five thousand, six hundred twenty".