216153534442 has 8 divisors (see below), whose sum is σ = 324293904000. Its totient is φ = 108055566444.

The previous prime is 216153534427. The next prime is 216153534449. The reversal of 216153534442 is 244435351612.

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 = 216153534395 and 216153534404.

It is not an unprimeable number, because it can be changed into a prime (216153534449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10587642 + ... + 10608037.

It is an arithmetic number, because the mean of its divisors is an integer number (40536738000).

Almost surely, 2^216153534442 is an apocalyptic number.

216153534442 is a deficient number, since it is larger than the sum of its proper divisors (108140369558).

216153534442 is a wasteful number, since it uses less digits than its factorization.

216153534442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21200780.

The product of its digits is 345600, while the sum is 40.

The spelling of 216153534442 in words is "two hundred sixteen billion, one hundred fifty-three million, five hundred thirty-four thousand, four hundred forty-two".