216338656327 has 8 divisors (see below), whose sum is σ = 217030962816. Its totient is φ = 215646746232.

The previous prime is 216338656319. The next prime is 216338656337. The reversal of 216338656327 is 723656833612.

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

It is a cyclic number.

It is not a de Polignac number, because 216338656327 - 2³ = 216338656319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216338656337) 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, 1014118 + ... + 1208764.

It is an arithmetic number, because the mean of its divisors is an integer number (27128870352).

Almost surely, 2^216338656327 is an apocalyptic number.

216338656327 is a deficient number, since it is larger than the sum of its proper divisors (692306489).

216338656327 is a wasteful number, since it uses less digits than its factorization.

216338656327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198197.

The product of its digits is 6531840, while the sum is 52.

The spelling of 216338656327 in words is "two hundred sixteen billion, three hundred thirty-eight million, six hundred fifty-six thousand, three hundred twenty-seven".