5120166101 has 4 divisors (see below), whose sum is σ = 5120361312. Its totient is φ = 5119970892.

The previous prime is 5120166061. The next prime is 5120166169. The reversal of 5120166101 is 1016610215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1016610215 = 5 ⋅203322043.

It is a cyclic number.

It is not a de Polignac number, because 5120166101 - 2¹⁴ = 5120149717 is a prime.

It is a super-2 number, since 2×5120166101² = 52432201803659084402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120166901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50771 + ... + 113216.

It is an arithmetic number, because the mean of its divisors is an integer number (1280090328).

Almost surely, 2^5120166101 is an apocalyptic number.

It is an amenable number.

5120166101 is a deficient number, since it is larger than the sum of its proper divisors (195211).

5120166101 is a wasteful number, since it uses less digits than its factorization.

5120166101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195210.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 5120166101 is about 71555.3359366022. The cubic root of 5120166101 is about 1723.5663900404.

Adding to 5120166101 its reverse (1016610215), we get a palindrome (6136776316).

The spelling of 5120166101 in words is "five billion, one hundred twenty million, one hundred sixty-six thousand, one hundred one".