818466113 has 4 divisors (see below), whose sum is σ = 832338480. Its totient is φ = 804593748.

The previous prime is 818466107. The next prime is 818466127. The reversal of 818466113 is 311664818.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311664818 = 2 ⋅155832409.

It is a cyclic number.

It is not a de Polignac number, because 818466113 - 2¹⁴ = 818449729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818466163) 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, 6936095 + ... + 6936212.

It is an arithmetic number, because the mean of its divisors is an integer number (208084620).

Almost surely, 2^818466113 is an apocalyptic number.

It is an amenable number.

818466113 is a deficient number, since it is larger than the sum of its proper divisors (13872367).

818466113 is a wasteful number, since it uses less digits than its factorization.

818466113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872366.

The product of its digits is 27648, while the sum is 38.

The square root of 818466113 is about 28608.8467610982. The cubic root of 818466113 is about 935.4061788672.

The spelling of 818466113 in words is "eight hundred eighteen million, four hundred sixty-six thousand, one hundred thirteen".