216730148067044 has 6 divisors (see below), whose sum is σ = 379277759117334. Its totient is φ = 108365074033520.

The previous prime is 216730148066989. The next prime is 216730148067091. The reversal of 216730148067044 is 440760841037612.

It can be written as a sum of positive squares in only one way, i.e., 111810279625444 + 104919868441600 = 10574038^2 + 10243040^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27091268508377 + ... + 27091268508384.

It is an arithmetic number, because the mean of its divisors is an integer number (63212959852889).

Almost surely, 2^{216730148067044} is an apocalyptic number.

It is an amenable number.

216730148067044 is a deficient number, since it is larger than the sum of its proper divisors (162547611050290).

216730148067044 is a wasteful number, since it uses less digits than its factorization.

216730148067044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54182537016765 (or 54182537016763 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 216730148067044 in words is "two hundred sixteen trillion, seven hundred thirty billion, one hundred forty-eight million, sixty-seven thousand, forty-four".