16887005203700 has 36 divisors (see below), whose sum is σ = 37538576942412. Its totient is φ = 6590050809600.

The previous prime is 16887005203681. The next prime is 16887005203703. The reversal of 16887005203700 is 730250078861.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 471834357604 + 16415170846096 = 686902^2 + 4051564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16887005203703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2059386779 + ... + 2059394978.

Almost surely, 2^{16887005203700} is an apocalyptic number.

16887005203700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16887005203700 is an abundant number, since it is smaller than the sum of its proper divisors (20651571738712).

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

16887005203700 is a wasteful number, since it uses less digits than its factorization.

16887005203700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118781812 (or 4118781805 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 16887005203700 in words is "sixteen trillion, eight hundred eighty-seven billion, five million, two hundred three thousand, seven hundred".