11897332168 has 16 divisors (see below), whose sum is σ = 22528365660. Its totient is φ = 5889768000.

The previous prime is 11897332141. The next prime is 11897332231. The reversal of 11897332168 is 86123379811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8938189764 + 2959142404 = 94542^2 + 54398^2 .

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, 7361403 + ... + 7363018.

Almost surely, 2^11897332168 is an apocalyptic number.

It is an amenable number.

11897332168 is a deficient number, since it is larger than the sum of its proper divisors (10631033492).

11897332168 is a wasteful number, since it uses less digits than its factorization.

11897332168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14724528 (or 14724524 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The spelling of 11897332168 in words is "eleven billion, eight hundred ninety-seven million, three hundred thirty-two thousand, one hundred sixty-eight".