5166123161 has 16 divisors (see below), whose sum is σ = 5466244800. Its totient is φ = 4868900928.

The previous prime is 5166123119. The next prime is 5166123167. The reversal of 5166123161 is 1613216615.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5166123161 is a prime.

It is a super-3 number, since 3×5166123161³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166123167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4832135 + ... + 4833203.

It is an arithmetic number, because the mean of its divisors is an integer number (341640300).

Almost surely, 2^5166123161 is an apocalyptic number.

It is an amenable number.

5166123161 is a deficient number, since it is larger than the sum of its proper divisors (300121639).

5166123161 is a wasteful number, since it uses less digits than its factorization.

5166123161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168.

The product of its digits is 6480, while the sum is 32.

The square root of 5166123161 is about 71875.7480726288. The cubic root of 5166123161 is about 1728.7077746952.

Adding to 5166123161 its reverse (1613216615), we get a palindrome (6779339776).

The spelling of 5166123161 in words is "five billion, one hundred sixty-six million, one hundred twenty-three thousand, one hundred sixty-one".