216332854146 has 24 divisors (see below), whose sum is σ = 483841223424. Its totient is φ = 69784791480.

The previous prime is 216332854099. The next prime is 216332854163. The reversal of 216332854146 is 641458233612.

216332854146 is a `hidden beast` number, since 2 + 1 + 63 + 3 + 2 + 8 + 541 + 46 = 666.

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, 193846086 + ... + 193847201.

It is an arithmetic number, because the mean of its divisors is an integer number (20160050976).

Almost surely, 2^216332854146 is an apocalyptic number.

216332854146 is an abundant number, since it is smaller than the sum of its proper divisors (267508369278).

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

216332854146 is a wasteful number, since it uses less digits than its factorization.

216332854146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387693326 (or 387693323 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 216332854146 in words is "two hundred sixteen billion, three hundred thirty-two million, eight hundred fifty-four thousand, one hundred forty-six".