216001067020164 has 36 divisors (see below), whose sum is σ = 546031191481776. Its totient is φ = 71996598184368.

The previous prime is 216001067020133. The next prime is 216001067020181. The reversal of 216001067020164 is 461020760100612.

216001067020164 is a `hidden beast` number, since 2 + 1 + 600 + 10 + 6 + 7 + 0 + 20 + 16 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 155862594 + ... + 157242329.

It is an arithmetic number, because the mean of its divisors is an integer number (15167533096716).

Almost surely, 2^{216001067020164} is an apocalyptic number.

It is an amenable number.

216001067020164 is an abundant number, since it is smaller than the sum of its proper divisors (330030124461612).

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

216001067020164 is a wasteful number, since it uses less digits than its factorization.

216001067020164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313124096 (or 313124091 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 216001067020164 in words is "two hundred sixteen trillion, one billion, sixty-seven million, twenty thousand, one hundred sixty-four".