216338586177 has 8 divisors (see below), whose sum is σ = 329658798016. Its totient is φ = 123622049232.

The previous prime is 216338586157. The next prime is 216338586187. The reversal of 216338586177 is 771685833612.

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

It is not a de Polignac number, because 216338586177 - 2¹⁰ = 216338585153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216338586137) 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, 5150918698 + ... + 5150918739.

It is an arithmetic number, because the mean of its divisors is an integer number (41207349752).

Almost surely, 2^216338586177 is an apocalyptic number.

It is an amenable number.

216338586177 is a deficient number, since it is larger than the sum of its proper divisors (113320211839).

216338586177 is a wasteful number, since it uses less digits than its factorization.

216338586177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301837447.

The product of its digits is 10160640, while the sum is 57.

The spelling of 216338586177 in words is "two hundred sixteen billion, three hundred thirty-eight million, five hundred eighty-six thousand, one hundred seventy-seven".