16666702020200 has 48 divisors (see below), whose sum is σ = 39651246919680. Its totient is φ = 6511641716160.

The previous prime is 16666702020197. The next prime is 16666702020203. The reversal of 16666702020200 is 202020766661.

16666702020200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16666702020197) and next prime (16666702020203).

It is a super-2 number, since 2×16666702020200² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16666702020203) 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, 968985704 + ... + 969002903.

It is an arithmetic number, because the mean of its divisors is an integer number (826067644160).

Almost surely, 2^{16666702020200} is an apocalyptic number.

16666702020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16666702020200 is an abundant number, since it is smaller than the sum of its proper divisors (22984544899480).

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

16666702020200 is a wasteful number, since it uses less digits than its factorization.

16666702020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937988666 (or 1937988657 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 16666702020200 its reverse (202020766661), we get a palindrome (16868722786861).

The spelling of 16666702020200 in words is "sixteen trillion, six hundred sixty-six billion, seven hundred two million, twenty thousand, two hundred".