216188812255362 has 16 divisors (see below), whose sum is σ = 433137514894560. Its totient is φ = 71936289021152.

The previous prime is 216188812255253. The next prime is 216188812255363. The reversal of 216188812255362 is 263552218881612.

It is a junction number, because it is equal to n+sod(n) for n = 216188812255296 and 216188812255305.

It is not an unprimeable number, because it can be changed into a prime (216188812255363) 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, 31662095628 + ... + 31662102455.

It is an arithmetic number, because the mean of its divisors is an integer number (27071094680910).

Almost surely, 2^{216188812255362} is an apocalyptic number.

216188812255362 is an abundant number, since it is smaller than the sum of its proper divisors (216948702639198).

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

216188812255362 is a wasteful number, since it uses less digits than its factorization.

216188812255362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63324198657.

The product of its digits is 22118400, while the sum is 60.

The spelling of 216188812255362 in words is "two hundred sixteen trillion, one hundred eighty-eight billion, eight hundred twelve million, two hundred fifty-five thousand, three hundred sixty-two".