5611655648 has 24 divisors (see below), whose sum is σ = 11105202528. Its totient is φ = 2791286784.

The previous prime is 5611655641. The next prime is 5611655657. The reversal of 5611655648 is 8465561165.

It is a super-2 number, since 2×5611655648² = 62981358223460599808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611655641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448136 + ... + 460487.

It is an arithmetic number, because the mean of its divisors is an integer number (462716772).

Almost surely, 2^5611655648 is an apocalyptic number.

It is an amenable number.

5611655648 is a deficient number, since it is larger than the sum of its proper divisors (5493546880).

5611655648 is a wasteful number, since it uses less digits than its factorization.

5611655648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908826 (or 908818 counting only the distinct ones).

The product of its digits is 864000, while the sum is 47.

The square root of 5611655648 is about 74910.9848286618. The cubic root of 5611655648 is about 1777.0391849981.

The spelling of 5611655648 in words is "five billion, six hundred eleven million, six hundred fifty-five thousand, six hundred forty-eight".