3781250319066 has 16 divisors (see below), whose sum is σ = 8250000696288. Its totient is φ = 1145833430000.

The previous prime is 3781250319059. The next prime is 3781250319241. The reversal of 3781250319066 is 6609130521873.

It is a super-2 number, since 2×3781250319066² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28645835685 + ... + 28645835816.

It is an arithmetic number, because the mean of its divisors is an integer number (515625043518).

Almost surely, 2^{3781250319066} is an apocalyptic number.

3781250319066 is an abundant number, since it is smaller than the sum of its proper divisors (4468750377222).

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

3781250319066 is a wasteful number, since it uses less digits than its factorization.

3781250319066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57291671517.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 3781250319066 in words is "three trillion, seven hundred eighty-one billion, two hundred fifty million, three hundred nineteen thousand, sixty-six".