216339442471930 has 16 divisors (see below), whose sum is σ = 389418610339584. Its totient is φ = 86534085013200.

The previous prime is 216339442471793. The next prime is 216339442471931. The reversal of 216339442471930 is 39174244933612.

It is not an unprimeable number, because it can be changed into a prime (216339442471931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210959862 + ... + 211982881.

It is an arithmetic number, because the mean of its divisors is an integer number (24338663146224).

Almost surely, 2^{216339442471930} is an apocalyptic number.

216339442471930 is a deficient number, since it is larger than the sum of its proper divisors (173079167867654).

216339442471930 is a wasteful number, since it uses less digits than its factorization.

216339442471930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422993901.

The product of its (nonzero) digits is 23514624, while the sum is 58.

The spelling of 216339442471930 in words is "two hundred sixteen trillion, three hundred thirty-nine billion, four hundred forty-two million, four hundred seventy-one thousand, nine hundred thirty".