1940627316866 has 8 divisors (see below), whose sum is σ = 3326789686080. Its totient is φ = 831697421508.

The previous prime is 1940627316851. The next prime is 1940627316869. The reversal of 1940627316866 is 6686137260491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1940627316869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69308118446 + ... + 69308118473.

It is an arithmetic number, because the mean of its divisors is an integer number (415848710760).

Almost surely, 2^{1940627316866} is an apocalyptic number.

1940627316866 is a deficient number, since it is larger than the sum of its proper divisors (1386162369214).

1940627316866 is a wasteful number, since it uses less digits than its factorization.

1940627316866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138616236928.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 1940627316866 in words is "one trillion, nine hundred forty billion, six hundred twenty-seven million, three hundred sixteen thousand, eight hundred sixty-six".