216001345442 has 8 divisors (see below), whose sum is σ = 324229073616. Its totient is φ = 107924987572.

The previous prime is 216001345409. The next prime is 216001345451. The reversal of 216001345442 is 244543100612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 216001345399 and 216001345408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37839008 + ... + 37844715.

It is an arithmetic number, because the mean of its divisors is an integer number (40528634202).

Almost surely, 2^216001345442 is an apocalyptic number.

216001345442 is a deficient number, since it is larger than the sum of its proper divisors (108227728174).

216001345442 is a wasteful number, since it uses less digits than its factorization.

216001345442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75685152.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 216001345442 in words is "two hundred sixteen billion, one million, three hundred forty-five thousand, four hundred forty-two".