216297044072 has 16 divisors (see below), whose sum is σ = 416517957060. Its totient is φ = 105225588864.

The previous prime is 216297044053. The next prime is 216297044113. The reversal of 216297044072 is 270440792612.

216297044072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205457319076 + 10839724996 = 453274^2 + 104114^2 .

It is a super-2 number, since 2×216297044072² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365366333 + ... + 365366924.

Almost surely, 2^216297044072 is an apocalyptic number.

It is an amenable number.

216297044072 is a deficient number, since it is larger than the sum of its proper divisors (200220912988).

216297044072 is a wasteful number, since it uses less digits than its factorization.

216297044072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730733300 (or 730733296 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 216297044072 in words is "two hundred sixteen billion, two hundred ninety-seven million, forty-four thousand, seventy-two".