168688827420 has 48 divisors (see below), whose sum is σ = 472759465248. Its totient is φ = 44942663680.

The previous prime is 168688827407. The next prime is 168688827457. The reversal of 168688827420 is 24728886861.

168688827420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215621 + ... + 1347260.

It is an arithmetic number, because the mean of its divisors is an integer number (9849155526).

Almost surely, 2^168688827420 is an apocalyptic number.

168688827420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168688827420 is an abundant number, since it is smaller than the sum of its proper divisors (304070637828).

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

168688827420 is a wasteful number, since it uses less digits than its factorization.

168688827420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563990 (or 2563988 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 60.

The spelling of 168688827420 in words is "one hundred sixty-eight billion, six hundred eighty-eight million, eight hundred twenty-seven thousand, four hundred twenty".