216664526326314 has 64 divisors (see below), whose sum is σ = 500756612493312. Its totient is φ = 61765804588800.

The previous prime is 216664526326301. The next prime is 216664526326429. The reversal of 216664526326314 is 413623625466612.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41272192 + ... + 46224699.

It is an arithmetic number, because the mean of its divisors is an integer number (7824322070208).

Almost surely, 2^{216664526326314} is an apocalyptic number.

216664526326314 is an abundant number, since it is smaller than the sum of its proper divisors (284092086166998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216664526326314 is a wasteful number, since it uses less digits than its factorization.

216664526326314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87499131.

The product of its digits is 44789760, while the sum is 57.

The spelling of 216664526326314 in words is "two hundred sixteen trillion, six hundred sixty-four billion, five hundred twenty-six million, three hundred twenty-six thousand, three hundred fourteen".