1912420003966 has 8 divisors (see below), whose sum is σ = 2915656727544. Its totient is φ = 940534428120.

The previous prime is 1912420003937. The next prime is 1912420003997. The reversal of 1912420003966 is 6693000242191.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7837786780 + ... + 7837787023.

It is an arithmetic number, because the mean of its divisors is an integer number (364457090943).

Almost surely, 2^{1912420003966} is an apocalyptic number.

1912420003966 is a deficient number, since it is larger than the sum of its proper divisors (1003236723578).

1912420003966 is a wasteful number, since it uses less digits than its factorization.

1912420003966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15675573866.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 1912420003966 in words is "one trillion, nine hundred twelve billion, four hundred twenty million, three thousand, nine hundred sixty-six".