168215786802316 has 12 divisors (see below), whose sum is σ = 321139229349960. Its totient is φ = 76461721273760.

The previous prime is 168215786802293. The next prime is 168215786802337. The reversal of 168215786802316 is 613208687512861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911543031801 + ... + 1911543031888.

It is an arithmetic number, because the mean of its divisors is an integer number (26761602445830).

Almost surely, 2^{168215786802316} is an apocalyptic number.

It is an amenable number.

168215786802316 is a deficient number, since it is larger than the sum of its proper divisors (152923442547644).

168215786802316 is a wasteful number, since it uses less digits than its factorization.

168215786802316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823086063704 (or 3823086063702 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 168215786802316 in words is "one hundred sixty-eight trillion, two hundred fifteen billion, seven hundred eighty-six million, eight hundred two thousand, three hundred sixteen".