168421751710 has 16 divisors (see below), whose sum is σ = 303196675392. Its totient is φ = 67360362400.

The previous prime is 168421751683. The next prime is 168421751731. The reversal of 168421751710 is 17157124861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957121 + ... + 1119340.

It is an arithmetic number, because the mean of its divisors is an integer number (18949792212).

Almost surely, 2^168421751710 is an apocalyptic number.

168421751710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168421751710 is a deficient number, since it is larger than the sum of its proper divisors (134774923682).

168421751710 is a wasteful number, since it uses less digits than its factorization.

168421751710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084579.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 168421751710 in words is "one hundred sixty-eight billion, four hundred twenty-one million, seven hundred fifty-one thousand, seven hundred ten".