551600163 has 6 divisors (see below), whose sum is σ = 796755804. Its totient is φ = 367733436.

The previous prime is 551600141. The next prime is 551600167. The reversal of 551600163 is 361006155.

It is a happy number.

551600163 is a `hidden beast` number, since 5 + 51 + 600 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 551600163 - 2⁸ = 551599907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551600167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30644445 + ... + 30644462.

It is an arithmetic number, because the mean of its divisors is an integer number (132792634).

Almost surely, 2^551600163 is an apocalyptic number.

551600163 is a deficient number, since it is larger than the sum of its proper divisors (245155641).

551600163 is a wasteful number, since it uses less digits than its factorization.

551600163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61288913 (or 61288910 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 551600163 is about 23486.1696110711. The cubic root of 551600163 is about 820.1150755613.

The spelling of 551600163 in words is "five hundred fifty-one million, six hundred thousand, one hundred sixty-three".