168724923828 has 24 divisors (see below), whose sum is σ = 393698359488. Its totient is φ = 56240659776.

The previous prime is 168724923803. The next prime is 168724923833. The reversal of 168724923828 is 828329427861.

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, 1017225 + ... + 1171407.

It is an arithmetic number, because the mean of its divisors is an integer number (16404098312).

Almost surely, 2^168724923828 is an apocalyptic number.

It is an amenable number.

168724923828 is an abundant number, since it is smaller than the sum of its proper divisors (224973435660).

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

168724923828 is a wasteful number, since it uses less digits than its factorization.

168724923828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245383 (or 245381 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 60.

The spelling of 168724923828 in words is "one hundred sixty-eight billion, seven hundred twenty-four million, nine hundred twenty-three thousand, eight hundred twenty-eight".