6625662535 has 16 divisors (see below), whose sum is σ = 8561181600. Its totient is φ = 4904175616.

The previous prime is 6625662529. The next prime is 6625662551. The reversal of 6625662535 is 5352665266.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6625662535 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655570 + ... + 665599.

It is an arithmetic number, because the mean of its divisors is an integer number (535073850).

Almost surely, 2^6625662535 is an apocalyptic number.

6625662535 is a deficient number, since it is larger than the sum of its proper divisors (1935519065).

6625662535 is a wasteful number, since it uses less digits than its factorization.

6625662535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321250.

The product of its digits is 1944000, while the sum is 46.

The square root of 6625662535 is about 81398.1727989026. The cubic root of 6625662535 is about 1878.2054830936.

The spelling of 6625662535 in words is "six billion, six hundred twenty-five million, six hundred sixty-two thousand, five hundred thirty-five".