1085366321334 has 160 divisors (see below), whose sum is σ = 2569172981760. Its totient is φ = 341784862848.

The previous prime is 1085366321329. The next prime is 1085366321371. The reversal of 1085366321334 is 4331236635801.

It is a happy number.

1085366321334 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 3 + 6 + 632 + 1 + 3 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1085366321334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 491782459 + ... + 491784665.

It is an arithmetic number, because the mean of its divisors is an integer number (16057331136).

Almost surely, 2^{1085366321334} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085366321334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284586490880).

1085366321334 is an abundant number, since it is smaller than the sum of its proper divisors (1483806660426).

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

1085366321334 is a wasteful number, since it uses less digits than its factorization.

1085366321334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816 (or 3807 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 1085366321334 in words is "one trillion, eighty-five billion, three hundred sixty-six million, three hundred twenty-one thousand, three hundred thirty-four".