1144035315666 has 96 divisors (see below), whose sum is σ = 2637113588928. Its totient is φ = 371586968640.

The previous prime is 1144035315653. The next prime is 1144035315671. The reversal of 1144035315666 is 6665135304411.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2991796 + ... + 3352448.

It is an arithmetic number, because the mean of its divisors is an integer number (27469933218).

Almost surely, 2^{1144035315666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144035315666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318556794464).

1144035315666 is an abundant number, since it is smaller than the sum of its proper divisors (1493078273262).

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

1144035315666 is a wasteful number, since it uses less digits than its factorization.

1144035315666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360838 (or 360826 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 1144035315666 in words is "one trillion, one hundred forty-four billion, thirty-five million, three hundred fifteen thousand, six hundred sixty-six".