216337055555 has 8 divisors (see below), whose sum is σ = 261586180944. Its totient is φ = 171748501600.

The previous prime is 216337055513. The next prime is 216337055573. The reversal of 216337055555 is 555550733612.

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

It is not a de Polignac number, because 216337055555 - 2⁸ = 216337055299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165142136 + ... + 165143445.

It is an arithmetic number, because the mean of its divisors is an integer number (32698272618).

Almost surely, 2^216337055555 is an apocalyptic number.

216337055555 is a deficient number, since it is larger than the sum of its proper divisors (45249125389).

216337055555 is a wasteful number, since it uses less digits than its factorization.

216337055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330285717.

The product of its (nonzero) digits is 2362500, while the sum is 47.

The spelling of 216337055555 in words is "two hundred sixteen billion, three hundred thirty-seven million, fifty-five thousand, five hundred fifty-five".