11970819168 has 144 divisors (see below), whose sum is σ = 39876992064. Its totient is φ = 3109290240.

The previous prime is 11970819137. The next prime is 11970819173. The reversal of 11970819168 is 86191807911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11970819168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63930 + ... + 167417.

It is an arithmetic number, because the mean of its divisors is an integer number (276923556).

Almost surely, 2^11970819168 is an apocalyptic number.

It is an amenable number.

11970819168 is an abundant number, since it is smaller than the sum of its proper divisors (27906172896).

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

11970819168 is a wasteful number, since it uses less digits than its factorization.

11970819168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231385 (or 231370 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 51.

It can be divided in two parts, 11970 and 819168, that added together give a palindrome (831138).

The spelling of 11970819168 in words is "eleven billion, nine hundred seventy million, eight hundred nineteen thousand, one hundred sixty-eight".