168207494112 has 144 divisors (see below), whose sum is σ = 556989320160. Its totient is φ = 47152475136.

The previous prime is 168207494089. The next prime is 168207494113. The reversal of 168207494112 is 211494702861.

168207494112 is a `hidden beast` number, since 168 + 2 + 0 + 74 + 9 + 411 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×168207494112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168207494113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680287 + ... + 893982.

It is an arithmetic number, because the mean of its divisors is an integer number (3867981390).

Almost surely, 2^168207494112 is an apocalyptic number.

168207494112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168207494112 is an abundant number, since it is smaller than the sum of its proper divisors (388781826048).

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

168207494112 is a wasteful number, since it uses less digits than its factorization.

168207494112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574345 (or 1574334 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 168207494112 in words is "one hundred sixty-eight billion, two hundred seven million, four hundred ninety-four thousand, one hundred twelve".