1994666362386 has 32 divisors (see below), whose sum is σ = 4205638361088. Its totient is φ = 629750530320.

The previous prime is 1994666362349. The next prime is 1994666362391. The reversal of 1994666362386 is 6832636664991.

It is a super-2 number, since 2×1994666362386² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1994666362386.

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 15 ways as a sum of consecutive naturals, for example, 114076500 + ... + 114093983.

It is an arithmetic number, because the mean of its divisors is an integer number (131426198784).

Almost surely, 2^{1994666362386} is an apocalyptic number.

1994666362386 is an abundant number, since it is smaller than the sum of its proper divisors (2210971998702).

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

1994666362386 is a wasteful number, since it uses less digits than its factorization.

1994666362386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228170566.

The product of its digits is 362797056, while the sum is 69.

The spelling of 1994666362386 in words is "one trillion, nine hundred ninety-four billion, six hundred sixty-six million, three hundred sixty-two thousand, three hundred eighty-six".