2003994000216 has 96 divisors (see below), whose sum is σ = 6027792714000. Its totient is φ = 616613527296.

The previous prime is 2003994000181. The next prime is 2003994000299. The reversal of 2003994000216 is 6120004993002.

2003994000216 is a `hidden beast` number, since 2 + 0 + 0 + 39 + 9 + 400 + 0 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 27412461 + ... + 27485468.

Almost surely, 2^{2003994000216} is an apocalyptic number.

2003994000216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2003994000216 is an abundant number, since it is smaller than the sum of its proper divisors (4023798713784).

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

2003994000216 is a wasteful number, since it uses less digits than its factorization.

2003994000216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54897970 (or 54897947 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

Adding to 2003994000216 its reverse (6120004993002), we get a palindrome (8123998993218).

The spelling of 2003994000216 in words is "two trillion, three billion, nine hundred ninety-four million, two hundred sixteen", and thus it is an aban number.