551010160161 has 6 divisors (see below), whose sum is σ = 795903564690. Its totient is φ = 367340106768.

The previous prime is 551010160081. The next prime is 551010160187. The reversal of 551010160161 is 161061010155.

551010160161 is a `hidden beast` number, since 5 + 51 + 0 + 1 + 0 + 1 + 601 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 547126502400 + 3883657761 = 739680^2 + 62319^2 .

It is not a de Polignac number, because 551010160161 - 2¹⁰ = 551010159137 is a prime.

It is a super-2 number, since 2×551010160161² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551010162161) 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, 30611675556 + ... + 30611675573.

It is an arithmetic number, because the mean of its divisors is an integer number (132650594115).

Almost surely, 2^551010160161 is an apocalyptic number.

It is an amenable number.

551010160161 is a deficient number, since it is larger than the sum of its proper divisors (244893404529).

551010160161 is a wasteful number, since it uses less digits than its factorization.

551010160161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61223351135 (or 61223351132 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 551010160161 in words is "five hundred fifty-one billion, ten million, one hundred sixty thousand, one hundred sixty-one".