5655763818 has 32 divisors (see below), whose sum is σ = 12588808320. Its totient is φ = 1882188000.

The previous prime is 5655763811. The next prime is 5655763843. The reversal of 5655763818 is 8183675565.

5655763818 is a `hidden beast` number, since 5 + 6 + 557 + 6 + 3 + 81 + 8 = 666.

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 Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5655763811) 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, 51558 + ... + 118193.

It is an arithmetic number, because the mean of its divisors is an integer number (393400260).

Almost surely, 2^5655763818 is an apocalyptic number.

5655763818 is an abundant number, since it is smaller than the sum of its proper divisors (6933044502).

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

5655763818 is a wasteful number, since it uses less digits than its factorization.

5655763818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170379 (or 170373 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The square root of 5655763818 is about 75204.8124656926. The cubic root of 5655763818 is about 1781.6829407910.

The spelling of 5655763818 in words is "five billion, six hundred fifty-five million, seven hundred sixty-three thousand, eight hundred eighteen".