6625537632 has 288 divisors, whose sum is σ = 22332360960. Its totient is φ = 1824076800.

The previous prime is 6625537603. The next prime is 6625537663. The reversal of 6625537632 is 2367355266.

6625537632 is a `hidden beast` number, since 6 + 6 + 2 + 5 + 5 + 3 + 7 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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, 6303507 + ... + 6304557.

It is an arithmetic number, because the mean of its divisors is an integer number (77542920).

Almost surely, 2^6625537632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6625537632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11166180480).

6625537632 is an abundant number, since it is smaller than the sum of its proper divisors (15706823328).

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

6625537632 is a wasteful number, since it uses less digits than its factorization.

6625537632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1175 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The square root of 6625537632 is about 81397.4055606197. The cubic root of 6625537632 is about 1878.1936807532.

The spelling of 6625537632 in words is "six billion, six hundred twenty-five million, five hundred thirty-seven thousand, six hundred thirty-two".