1665460534368 has 192 divisors, whose sum is σ = 4451586854400. Its totient is φ = 545125109760.

The previous prime is 1665460534349. The next prime is 1665460534379. The reversal of 1665460534368 is 8634350645661.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1278173205 + ... + 1278174507.

It is an arithmetic number, because the mean of its divisors is an integer number (23185348200).

Almost surely, 2^{1665460534368} 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 1665460534368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225793427200).

1665460534368 is an abundant number, since it is smaller than the sum of its proper divisors (2786126320032).

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

1665460534368 is a wasteful number, since it uses less digits than its factorization.

1665460534368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 57.

The spelling of 1665460534368 in words is "one trillion, six hundred sixty-five billion, four hundred sixty million, five hundred thirty-four thousand, three hundred sixty-eight".