7418549161 has 3 divisors (see below), whose sum is σ = 7418635293. Its totient is φ = 7418463030.

The previous prime is 7418549129. The next prime is 7418549179. The reversal of 7418549161 is 1619458147.

The square root of 7418549161 is 86131.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1619458147 = 16921 ⋅95707.

It is not a de Polignac number, because 7418549161 - 2⁵ = 7418549129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7418549111) 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 2 ways as a sum of consecutive naturals, for example, 43066 + ... + 129196.

It is an arithmetic number, because the mean of its divisors is an integer number (2472878431).

Almost surely, 2^7418549161 is an apocalyptic number.

7418549161 is the 86131-st square number.

7418549161 is the 43066-th centered octagonal number.

It is an amenable number.

7418549161 is a deficient number, since it is larger than the sum of its proper divisors (86132).

7418549161 is an frugal number, since it uses more digits than its factorization.

7418549161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172262 (or 86131 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The cubic root of 7418549161 is about 1950.3220297439.

The spelling of 7418549161 in words is "seven billion, four hundred eighteen million, five hundred forty-nine thousand, one hundred sixty-one".