168161943790296 has 96 divisors (see below), whose sum is σ = 482231938209840. Its totient is φ = 52756378128384.

The previous prime is 168161943790271. The next prime is 168161943790369. The reversal of 168161943790296 is 692097349161861.

It is a happy number.

168161943790296 is a `hidden beast` number, since 1 + 6 + 8 + 1 + 6 + 19 + 437 + 90 + 2 + 96 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297868480 + ... + 298432496.

Almost surely, 2^{168161943790296} is an apocalyptic number.

It is an amenable number.

168161943790296 is an abundant number, since it is smaller than the sum of its proper divisors (314069994419544).

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

168161943790296 is a wasteful number, since it uses less digits than its factorization.

168161943790296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807633 (or 807626 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 168161943790296 in words is "one hundred sixty-eight trillion, one hundred sixty-one billion, nine hundred forty-three million, seven hundred ninety thousand, two hundred ninety-six".