551866703089 has 8 divisors (see below), whose sum is σ = 598593658880. Its totient is φ = 505750557456.

The previous prime is 551866703071. The next prime is 551866703119. The reversal of 551866703089 is 980307668155.

551866703089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 551866703089 - 2⁵ = 551866703057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551866703189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152700657 + ... + 152704270.

It is an arithmetic number, because the mean of its divisors is an integer number (74824207360).

Almost surely, 2^551866703089 is an apocalyptic number.

It is an amenable number.

551866703089 is a deficient number, since it is larger than the sum of its proper divisors (46726955791).

551866703089 is a wasteful number, since it uses less digits than its factorization.

551866703089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305405079.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 551866703089 in words is "five hundred fifty-one billion, eight hundred sixty-six million, seven hundred three thousand, eighty-nine".