75116169 has 6 divisors (see below), whose sum is σ = 108501146. Its totient is φ = 50077440.

The previous prime is 75116159. The next prime is 75116189. The reversal of 75116169 is 96161157.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74597769 + 518400 = 8637^2 + 720^2 .

It is not a de Polignac number, because 75116169 - 2²⁰ = 74067593 is a prime.

It is a super-2 number, since 2×75116169² = 11284877690473122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75116159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4173112 + ... + 4173129.

Almost surely, 2^75116169 is an apocalyptic number.

It is an amenable number.

75116169 is a deficient number, since it is larger than the sum of its proper divisors (33384977).

75116169 is a wasteful number, since it uses less digits than its factorization.

75116169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346247 (or 8346244 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 75116169 is about 8666.9584630365. The cubic root of 75116169 is about 421.9339552835.

The spelling of 75116169 in words is "seventy-five million, one hundred sixteen thousand, one hundred sixty-nine".