216204454534 has 8 divisors (see below), whose sum is σ = 324366899688. Its totient is φ = 108082154640.

The previous prime is 216204454469. The next prime is 216204454549. The reversal of 216204454534 is 435454402612.

216204454534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10022847 + ... + 10044394.

It is an arithmetic number, because the mean of its divisors is an integer number (40545862461).

Almost surely, 2^216204454534 is an apocalyptic number.

216204454534 is a deficient number, since it is larger than the sum of its proper divisors (108162445154).

216204454534 is a wasteful number, since it uses less digits than its factorization.

216204454534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072630.

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 216204454534 in words is "two hundred sixteen billion, two hundred four million, four hundred fifty-four thousand, five hundred thirty-four".