216168751300850 has 24 divisors (see below), whose sum is σ = 425725281975348. Its totient is φ = 81381176960000.

The previous prime is 216168751300783. The next prime is 216168751300877. The reversal of 216168751300850 is 58003157861612.

It can be written as a sum of positive squares in 6 ways, for example, as 44917058676361 + 171251692624489 = 6702019^2 + 13086317^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 216168751300792 and 216168751300801.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127158088151 + ... + 127158089850.

Almost surely, 2^{216168751300850} is an apocalyptic number.

216168751300850 is a deficient number, since it is larger than the sum of its proper divisors (209556530674498).

216168751300850 is a wasteful number, since it uses less digits than its factorization.

216168751300850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254316178030 (or 254316178025 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 216168751300850 in words is "two hundred sixteen trillion, one hundred sixty-eight billion, seven hundred fifty-one million, three hundred thousand, eight hundred fifty".