16868516835202 has 4 divisors (see below), whose sum is σ = 25302775252806. Its totient is φ = 8434258417600.

The previous prime is 16868516835199. The next prime is 16868516835223. The reversal of 16868516835202 is 20253861586861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16792694256321 + 75822578881 = 4097889^2 + 275359^2 .

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 as a sum of consecutive naturals, namely, 4217129208799 + ... + 4217129208802.

Almost surely, 2^{16868516835202} is an apocalyptic number.

16868516835202 is a deficient number, since it is larger than the sum of its proper divisors (8434258417604).

16868516835202 is an equidigital number, since it uses as much as digits as its factorization.

16868516835202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434258417603.

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 16868516835202 in words is "sixteen trillion, eight hundred sixty-eight billion, five hundred sixteen million, eight hundred thirty-five thousand, two hundred two".