1684782068322 has 16 divisors (see below), whose sum is σ = 3546909617760. Its totient is φ = 532036442592.

The previous prime is 1684782068317. The next prime is 1684782068351. The reversal of 1684782068322 is 2238602874861.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7389394923 + ... + 7389395150.

It is an arithmetic number, because the mean of its divisors is an integer number (221681851110).

Almost surely, 2^{1684782068322} is an apocalyptic number.

1684782068322 is an abundant number, since it is smaller than the sum of its proper divisors (1862127549438).

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

1684782068322 is a wasteful number, since it uses less digits than its factorization.

1684782068322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778790097.

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 1684782068322 in words is "one trillion, six hundred eighty-four billion, seven hundred eighty-two million, sixty-eight thousand, three hundred twenty-two".