3781285066316 has 12 divisors (see below), whose sum is σ = 6617618195832. Its totient is φ = 1890537010368.

The previous prime is 3781285066183. The next prime is 3781285066331. The reversal of 3781285066316 is 6136605821873.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26300045 + ... + 26443428.

It is an arithmetic number, because the mean of its divisors is an integer number (551468182986).

Almost surely, 2^{3781285066316} is an apocalyptic number.

It is an amenable number.

3781285066316 is a deficient number, since it is larger than the sum of its proper divisors (2836333129516).

3781285066316 is a wasteful number, since it uses less digits than its factorization.

3781285066316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52761400 (or 52761398 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 3781285066316 in words is "three trillion, seven hundred eighty-one billion, two hundred eighty-five million, sixty-six thousand, three hundred sixteen".