9418365161 has 4 divisors (see below), whose sum is σ = 9722183424. Its totient is φ = 9114546900.

The previous prime is 9418365137. The next prime is 9418365179. The reversal of 9418365161 is 1615638149.

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 9418365161 - 2⁶ = 9418365097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9418365461) 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, 151909085 + ... + 151909146.

It is an arithmetic number, because the mean of its divisors is an integer number (2430545856).

Almost surely, 2^9418365161 is an apocalyptic number.

It is an amenable number.

9418365161 is a deficient number, since it is larger than the sum of its proper divisors (303818263).

9418365161 is a wasteful number, since it uses less digits than its factorization.

9418365161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303818262.

The product of its digits is 155520, while the sum is 44.

The square root of 9418365161 is about 97048.2620194715. The cubic root of 9418365161 is about 2111.8278270680.

The spelling of 9418365161 in words is "nine billion, four hundred eighteen million, three hundred sixty-five thousand, one hundred sixty-one".