1178890066668 has 24 divisors (see below), whose sum is σ = 2839477150720. Its totient is φ = 380287118160.

The previous prime is 1178890066663. The next prime is 1178890066681. The reversal of 1178890066668 is 8666600988711.

It is a junction number, because it is equal to n+sod(n) for n = 1178890066599 and 1178890066608.

It is not an unprimeable number, because it can be changed into a prime (1178890066663) 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, 1584529288 + ... + 1584530031.

Almost surely, 2^{1178890066668} is an apocalyptic number.

It is an amenable number.

1178890066668 is an abundant number, since it is smaller than the sum of its proper divisors (1660587084052).

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

1178890066668 is a wasteful number, since it uses less digits than its factorization.

1178890066668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169059357 (or 3169059355 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 66.

The spelling of 1178890066668 in words is "one trillion, one hundred seventy-eight billion, eight hundred ninety million, sixty-six thousand, six hundred sixty-eight".