197802214665216 has 352 divisors, whose sum is σ = 628869068448768. Its totient is φ = 54045659627520.

The previous prime is 197802214665191. The next prime is 197802214665269. The reversal of 197802214665216 is 612566412208791.

197802214665216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197802214665216² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197802214665216.

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, 2334926476 + ... + 2335011188.

Almost surely, 2^{197802214665216} is an apocalyptic number.

197802214665216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197802214665216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314434534224384).

197802214665216 is an abundant number, since it is smaller than the sum of its proper divisors (431066853783552).

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

197802214665216 is a wasteful number, since it uses less digits than its factorization.

197802214665216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89487 (or 89469 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 197802214665216 in words is "one hundred ninety-seven trillion, eight hundred two billion, two hundred fourteen million, six hundred sixty-five thousand, two hundred sixteen".