5481452161 has 4 divisors (see below), whose sum is σ = 5719776192. Its totient is φ = 5243128132.

The previous prime is 5481452159. The next prime is 5481452191. The reversal of 5481452161 is 1612541845.

5481452161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 5481452161 - 2¹ = 5481452159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5481452161.

It is not an unprimeable number, because it can be changed into a prime (5481452191) 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 3 ways as a sum of consecutive naturals, for example, 119161981 + ... + 119162026.

It is an arithmetic number, because the mean of its divisors is an integer number (1429944048).

Almost surely, 2^5481452161 is an apocalyptic number.

It is an amenable number.

5481452161 is a deficient number, since it is larger than the sum of its proper divisors (238324031).

5481452161 is a wasteful number, since it uses less digits than its factorization.

5481452161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238324030.

The product of its digits is 38400, while the sum is 37.

The square root of 5481452161 is about 74036.8297605996. The cubic root of 5481452161 is about 1763.1876804526.

The spelling of 5481452161 in words is "five billion, four hundred eighty-one million, four hundred fifty-two thousand, one hundred sixty-one".