5655781018 has 8 divisors (see below), whose sum is σ = 8531066880. Its totient is φ = 2812092060.

The previous prime is 5655781007. The next prime is 5655781097. The reversal of 5655781018 is 8101875565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7898778 + ... + 7899493.

It is an arithmetic number, because the mean of its divisors is an integer number (1066383360).

Almost surely, 2^5655781018 is an apocalyptic number.

5655781018 is a deficient number, since it is larger than the sum of its proper divisors (2875285862).

5655781018 is a wasteful number, since it uses less digits than its factorization.

5655781018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798452.

The product of its (nonzero) digits is 336000, while the sum is 46.

The square root of 5655781018 is about 75204.9268199897. The cubic root of 5655781018 is about 1781.6847469081.

The spelling of 5655781018 in words is "five billion, six hundred fifty-five million, seven hundred eighty-one thousand, eighteen".