2118353161 has 8 divisors (see below), whose sum is σ = 2203154624. Its totient is φ = 2035167120.

The previous prime is 2118353147. The next prime is 2118353173. The reversal of 2118353161 is 1613538112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2118353161 - 2⁵ = 2118353129 is a prime.

It is a super-2 number, since 2×2118353161² = 8974840229437383842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118353761) 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 7 ways as a sum of consecutive naturals, for example, 401181 + ... + 406426.

It is an arithmetic number, because the mean of its divisors is an integer number (275394328).

Almost surely, 2^2118353161 is an apocalyptic number.

It is an amenable number.

2118353161 is a deficient number, since it is larger than the sum of its proper divisors (84801463).

2118353161 is an equidigital number, since it uses as much as digits as its factorization.

2118353161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807711.

The product of its digits is 4320, while the sum is 31.

The square root of 2118353161 is about 46025.5707297585. The cubic root of 2118353161 is about 1284.2989329399.

The spelling of 2118353161 in words is "two billion, one hundred eighteen million, three hundred fifty-three thousand, one hundred sixty-one".