168810047 has 12 divisors (see below), whose sum is σ = 196738920. Its totient is φ = 144423216.

The previous prime is 168810043. The next prime is 168810049. The reversal of 168810047 is 740018861.

It is not a de Polignac number, because 168810047 - 2² = 168810043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168809989 and 168810016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168810043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25829 + ... + 31697.

It is an arithmetic number, because the mean of its divisors is an integer number (16394910).

Almost surely, 2^168810047 is an apocalyptic number.

168810047 is a deficient number, since it is larger than the sum of its proper divisors (27928873).

168810047 is an equidigital number, since it uses as much as digits as its factorization.

168810047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 168810047 is about 12992.6920613089. The cubic root of 168810047 is about 552.6702622200.

The spelling of 168810047 in words is "one hundred sixty-eight million, eight hundred ten thousand, forty-seven".