818895321106 has 8 divisors (see below), whose sum is σ = 1228347036684. Its totient is φ = 409446308880.

The previous prime is 818895321103. The next prime is 818895321113. The reversal of 818895321106 is 601123598818.

It can be written as a sum of positive squares in 2 ways, for example, as 728020204081 + 90875117025 = 853241^2 + 301455^2 .

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

It is not an unprimeable number, because it can be changed into a prime (818895321103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469996 + ... + 1363336.

Almost surely, 2^818895321106 is an apocalyptic number.

818895321106 is a deficient number, since it is larger than the sum of its proper divisors (409451715578).

818895321106 is a wasteful number, since it uses less digits than its factorization.

818895321106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351676.

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 818895321106 in words is "eight hundred eighteen billion, eight hundred ninety-five million, three hundred twenty-one thousand, one hundred six".