1685292083344 has 75 divisors (see below), whose sum is σ = 3472421397663. Its totient is φ = 792372413184.

The previous prime is 1685292083309. The next prime is 1685292083359. The reversal of 1685292083344 is 4433802925861.

It is a happy number.

The square root of 1685292083344 is 1298188.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 523035596944 + 1162256486400 = 723212^2 + 1078080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1500704767 + ... + 1500705889.

Almost surely, 2^{1685292083344} is an apocalyptic number.

1685292083344 is the 1298188-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1685292083344

1685292083344 is an abundant number, since it is smaller than the sum of its proper divisors (1787129314319).

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

1685292083344 is an frugal number, since it uses more digits than its factorization.

1685292083344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 1685292083344 in words is "one trillion, six hundred eighty-five billion, two hundred ninety-two million, eighty-three thousand, three hundred forty-four".