6653650356 has 144 divisors (see below), whose sum is σ = 18266539200. Its totient is φ = 2034948096.

The previous prime is 6653650321. The next prime is 6653650361. The reversal of 6653650356 is 6530563566.

6653650356 is a `hidden beast` number, since 6 + 65 + 36 + 503 + 56 = 666.

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, 7161700 + ... + 7162628.

Almost surely, 2^6653650356 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 6653650356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9133269600).

6653650356 is an abundant number, since it is smaller than the sum of its proper divisors (11612888844).

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

6653650356 is a wasteful number, since it uses less digits than its factorization.

6653650356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The square root of 6653650356 is about 81569.9108495283. The cubic root of 6653650356 is about 1880.8463779941.

The spelling of 6653650356 in words is "six billion, six hundred fifty-three million, six hundred fifty thousand, three hundred fifty-six".