168300018492 has 24 divisors (see below), whose sum is σ = 395792173056. Its totient is φ = 55658273328.

The previous prime is 168300018487. The next prime is 168300018511. The reversal of 168300018492 is 294810003861.

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, 55215018 + ... + 55218065.

It is an arithmetic number, because the mean of its divisors is an integer number (16491340544).

Almost surely, 2^168300018492 is an apocalyptic number.

168300018492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168300018492 is an abundant number, since it is smaller than the sum of its proper divisors (227492154564).

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

168300018492 is a wasteful number, since it uses less digits than its factorization.

168300018492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110433217 (or 110433215 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 168300018492 in words is "one hundred sixty-eight billion, three hundred million, eighteen thousand, four hundred ninety-two".