1684650592068 has 72 divisors (see below), whose sum is σ = 4121608292256. Its totient is φ = 535511539200.

The previous prime is 1684650592057. The next prime is 1684650592123. The reversal of 1684650592068 is 8602950564861.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1700308 + ... + 2502068.

Almost surely, 2^{1684650592068} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1684650592068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060804146128).

1684650592068 is an abundant number, since it is smaller than the sum of its proper divisors (2436957700188).

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

1684650592068 is a wasteful number, since it uses less digits than its factorization.

1684650592068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802145 (or 802120 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 1684650592068 in words is "one trillion, six hundred eighty-four billion, six hundred fifty million, five hundred ninety-two thousand, sixty-eight".