5656246648 has 64 divisors (see below), whose sum is σ = 12139545600. Its totient is φ = 2449077120.

The previous prime is 5656246621. The next prime is 5656246649. The reversal of 5656246648 is 8466426565.

It is a super-2 number, since 2×5656246648² = 63986252286022471808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 5656246595 and 5656246604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656246649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189633 + ... + 217423.

It is an arithmetic number, because the mean of its divisors is an integer number (189680400).

Almost surely, 2^5656246648 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 5656246648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6069772800).

5656246648 is an abundant number, since it is smaller than the sum of its proper divisors (6483298952).

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

5656246648 is a wasteful number, since it uses less digits than its factorization.

5656246648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27932 (or 27928 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The square root of 5656246648 is about 75208.0224976033. The cubic root of 5656246648 is about 1781.7336398373.

The spelling of 5656246648 in words is "five billion, six hundred fifty-six million, two hundred forty-six thousand, six hundred forty-eight".