75543453161 has 16 divisors (see below), whose sum is σ = 86934332160. Its totient is φ = 64921945680.

The previous prime is 75543453137. The next prime is 75543453173. The reversal of 75543453161 is 16135434557.

It is a cyclic number.

It is not a de Polignac number, because 75543453161 - 2²⁶ = 75476344297 is a prime.

It is a super-3 number, since 3×75543453161³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75543423161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289391 + ... + 484596.

It is an arithmetic number, because the mean of its divisors is an integer number (5433395760).

Almost surely, 2^75543453161 is an apocalyptic number.

It is an amenable number.

75543453161 is a deficient number, since it is larger than the sum of its proper divisors (11390878999).

75543453161 is a wasteful number, since it uses less digits than its factorization.

75543453161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774484.

The product of its digits is 756000, while the sum is 44.

The spelling of 75543453161 in words is "seventy-five billion, five hundred forty-three million, four hundred fifty-three thousand, one hundred sixty-one".