1613810324868 has 96 divisors (see below), whose sum is σ = 4497786988800. Its totient is φ = 440599412736.

The previous prime is 1613810324813. The next prime is 1613810324891. The reversal of 1613810324868 is 8684230183161.

It is a self number, because there is not a number n which added to its sum of digits gives 1613810324868.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3178573 + ... + 3651156.

It is an arithmetic number, because the mean of its divisors is an integer number (46851947800).

Almost surely, 2^{1613810324868} is an apocalyptic number.

It is an amenable number.

1613810324868 is an abundant number, since it is smaller than the sum of its proper divisors (2883976663932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613810324868 is a wasteful number, since it uses less digits than its factorization.

1613810324868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829869 (or 6829867 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 1613810324868 in words is "one trillion, six hundred thirteen billion, eight hundred ten million, three hundred twenty-four thousand, eight hundred sixty-eight".