818350644146 has 96 divisors (see below), whose sum is σ = 1509317737920. Its totient is φ = 330890313600.

The previous prime is 818350644113. The next prime is 818350644161. The reversal of 818350644146 is 641446053818.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 818350644094 and 818350644103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 692929676 + ... + 692930856.

It is an arithmetic number, because the mean of its divisors is an integer number (15722059770).

Almost surely, 2^818350644146 is an apocalyptic number.

818350644146 is a deficient number, since it is larger than the sum of its proper divisors (690967093774).

818350644146 is a wasteful number, since it uses less digits than its factorization.

818350644146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 818350644146 in words is "eight hundred eighteen billion, three hundred fifty million, six hundred forty-four thousand, one hundred forty-six".