168683433696 has 36 divisors (see below), whose sum is σ = 479693515392. Its totient is φ = 56227811136.

The previous prime is 168683433671. The next prime is 168683433727. The reversal of 168683433696 is 696334386861.

It is a happy number.

168683433696 is a `hidden beast` number, since 1 + 68 + 6 + 83 + 433 + 69 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292852896 + ... + 292853471.

It is an arithmetic number, because the mean of its divisors is an integer number (13324819872).

Almost surely, 2^168683433696 is an apocalyptic number.

168683433696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168683433696 is an abundant number, since it is smaller than the sum of its proper divisors (311010081696).

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

168683433696 is a wasteful number, since it uses less digits than its factorization.

168683433696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585706383 (or 585706372 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 63.

The spelling of 168683433696 in words is "one hundred sixty-eight billion, six hundred eighty-three million, four hundred thirty-three thousand, six hundred ninety-six".