168112324940 has 48 divisors (see below), whose sum is σ = 403493735232. Its totient is φ = 57635060736.

The previous prime is 168112324907. The next prime is 168112324949. The reversal of 168112324940 is 49423211861.

It is not an unprimeable number, because it can be changed into a prime (168112324949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3672272 + ... + 3717768.

It is an arithmetic number, because the mean of its divisors is an integer number (8406119484).

Almost surely, 2^168112324940 is an apocalyptic number.

168112324940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168112324940 is an abundant number, since it is smaller than the sum of its proper divisors (235381410292).

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

168112324940 is a wasteful number, since it uses less digits than its factorization.

168112324940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71906 (or 71904 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 168112324940 in words is "one hundred sixty-eight billion, one hundred twelve million, three hundred twenty-four thousand, nine hundred forty".