216528225600378 has 8 divisors (see below), whose sum is σ = 433056451200768. Its totient is φ = 72176075200124.

The previous prime is 216528225600301. The next prime is 216528225600383. The reversal of 216528225600378 is 873006522825612.

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

216528225600378 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18044018800026 + ... + 18044018800037.

It is an arithmetic number, because the mean of its divisors is an integer number (54132056400096).

Almost surely, 2^{216528225600378} is an apocalyptic number.

216528225600378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216528225600378 is a wasteful number, since it uses less digits than its factorization.

216528225600378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36088037600068.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 216528225600378 in words is "two hundred sixteen trillion, five hundred twenty-eight billion, two hundred twenty-five million, six hundred thousand, three hundred seventy-eight".