9656552646 has 64 divisors (see below), whose sum is σ = 23906635200. Its totient is φ = 2868784128.

The previous prime is 9656552641. The next prime is 9656552693. The reversal of 9656552646 is 6462556569.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 9656552592 and 9656552601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9656552641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216811 + ... + 257526.

It is an arithmetic number, because the mean of its divisors is an integer number (373541175).

Almost surely, 2^9656552646 is an apocalyptic number.

9656552646 is an abundant number, since it is smaller than the sum of its proper divisors (14250082554).

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

9656552646 is a wasteful number, since it uses less digits than its factorization.

9656552646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474390 (or 474384 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 54.

The square root of 9656552646 is about 98267.7599520819. The cubic root of 9656552646 is about 2129.4823141813.

The spelling of 9656552646 in words is "nine billion, six hundred fifty-six million, five hundred fifty-two thousand, six hundred forty-six".