5656551164 has 12 divisors (see below), whose sum is σ = 10798870488. Its totient is φ = 2571159600.

The previous prime is 5656551163. The next prime is 5656551209. The reversal of 5656551164 is 4611556565.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 128557981 = 5656551164 / (5 + 6 + 5 + 6 + 5 + 5 + 1 + 1 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656551163) 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, 64278947 + ... + 64279034.

It is an arithmetic number, because the mean of its divisors is an integer number (899905874).

Almost surely, 2^5656551164 is an apocalyptic number.

It is an amenable number.

5656551164 is a deficient number, since it is larger than the sum of its proper divisors (5142319324).

5656551164 is a wasteful number, since it uses less digits than its factorization.

5656551164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128557996 (or 128557994 counting only the distinct ones).

The product of its digits is 540000, while the sum is 44.

The square root of 5656551164 is about 75210.0469618255. The cubic root of 5656551164 is about 1781.7656137297.

The spelling of 5656551164 in words is "five billion, six hundred fifty-six million, five hundred fifty-one thousand, one hundred sixty-four".