163450511201216 has 28 divisors (see below), whose sum is σ = 332258013247440. Its totient is φ = 79731956682240.

The previous prime is 163450511201123. The next prime is 163450511201269. The reversal of 163450511201216 is 612102115054361.

It is a super-3 number, since 3×163450511201216³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 163450511201216.

It is a congruent 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, 31145292956 + ... + 31145298203.

It is an arithmetic number, because the mean of its divisors is an integer number (11866357615980).

Almost surely, 2^{163450511201216} is an apocalyptic number.

163450511201216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163450511201216 is an abundant number, since it is smaller than the sum of its proper divisors (168807502046224).

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

163450511201216 is an equidigital number, since it uses as much as digits as its factorization.

163450511201216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62290591212 (or 62290591202 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

Adding to 163450511201216 its reverse (612102115054361), we get a palindrome (775552626255577).

The spelling of 163450511201216 in words is "one hundred sixty-three trillion, four hundred fifty billion, five hundred eleven million, two hundred one thousand, two hundred sixteen".