216001067020166 has 4 divisors (see below), whose sum is σ = 324001600530252. Its totient is φ = 108000533510082.

The previous prime is 216001067020133. The next prime is 216001067020181. The reversal of 216001067020166 is 661020760100612.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54000266755040 + ... + 54000266755043.

It is an arithmetic number, because the mean of its divisors is an integer number (81000400132563).

Almost surely, 2^{216001067020166} is an apocalyptic number.

216001067020166 is a deficient number, since it is larger than the sum of its proper divisors (108000533510086).

216001067020166 is a wasteful number, since it uses less digits than its factorization.

216001067020166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108000533510085.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 216001067020166 in words is "two hundred sixteen trillion, one billion, sixty-seven million, twenty thousand, one hundred sixty-six".