168814472049 has 12 divisors (see below), whose sum is σ = 244393568016. Its totient is φ = 112288931352.

The previous prime is 168814471961. The next prime is 168814472059. The reversal of 168814472049 is 940274418861.

168814472049 is a `hidden beast` number, since 1 + 68 + 81 + 447 + 20 + 49 = 666.

It is not a de Polignac number, because 168814472049 - 2³¹ = 166666988401 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168814471986 and 168814472004.

It is not an unprimeable number, because it can be changed into a prime (168814472059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21166627 + ... + 21174600.

It is an arithmetic number, because the mean of its divisors is an integer number (20366130668).

Almost surely, 2^168814472049 is an apocalyptic number.

It is an amenable number.

168814472049 is a deficient number, since it is larger than the sum of its proper divisors (75579095967).

168814472049 is a wasteful number, since it uses less digits than its factorization.

168814472049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42341676 (or 42341673 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 168814472049 in words is "one hundred sixty-eight billion, eight hundred fourteen million, four hundred seventy-two thousand, forty-nine".