168808097600906 has 4 divisors (see below), whose sum is σ = 253212146401362. Its totient is φ = 84404048800452.

The previous prime is 168808097600869. The next prime is 168808097600929. The reversal of 168808097600906 is 609006790808861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 150998507541025 + 17809590059881 = 12288145^2 + 4220141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42202024400225 + ... + 42202024400228.

Almost surely, 2^{168808097600906} is an apocalyptic number.

168808097600906 is a deficient number, since it is larger than the sum of its proper divisors (84404048800456).

168808097600906 is an equidigital number, since it uses as much as digits as its factorization.

168808097600906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84404048800455.

The product of its (nonzero) digits is 62705664, while the sum is 68.

The spelling of 168808097600906 in words is "one hundred sixty-eight trillion, eight hundred eight billion, ninety-seven million, six hundred thousand, nine hundred six".