216297044073 has 24 divisors (see below), whose sum is σ = 341153107776. Its totient is φ = 130965501600.

The previous prime is 216297044053. The next prime is 216297044113. The reversal of 216297044073 is 370440792612.

216297044073 is a `hidden beast` number, since 216 + 29 + 7 + 0 + 4 + 407 + 3 = 666.

It is not a de Polignac number, because 216297044073 - 2⁶ = 216297044009 is a prime.

It is a super-2 number, since 2×216297044073² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216297044053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 924565 + ... + 1134642.

It is an arithmetic number, because the mean of its divisors is an integer number (14214712824).

Almost surely, 2^216297044073 is an apocalyptic number.

It is an amenable number.

216297044073 is a deficient number, since it is larger than the sum of its proper divisors (124856063703).

216297044073 is a wasteful number, since it uses less digits than its factorization.

216297044073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060285 (or 2060282 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 216297044073 in words is "two hundred sixteen billion, two hundred ninety-seven million, forty-four thousand, seventy-three".