6525655650 has 72 divisors (see below), whose sum is σ = 18181638384. Its totient is φ = 1740171600.

The previous prime is 6525655637. The next prime is 6525655673. The reversal of 6525655650 is 565565256.

6525655650 is a `hidden beast` number, since 6 + 5 + 25 + 65 + 565 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6525655596 and 6525655605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256396 + ... + 280695.

Almost surely, 2^6525655650 is an apocalyptic number.

6525655650 is an abundant number, since it is smaller than the sum of its proper divisors (11655982734).

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

6525655650 is a wasteful number, since it uses less digits than its factorization.

6525655650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537118 (or 537101 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The square root of 6525655650 is about 80781.5303766894. The cubic root of 6525655650 is about 1868.7077395990.

The spelling of 6525655650 in words is "six billion, five hundred twenty-five million, six hundred fifty-five thousand, six hundred fifty".